10 Common Industrial Property Due Diligence Mistakes to Avoid

When buying industrial property in the Greater Toronto Area (GTA), mistakes during due diligence can cost you time, money, and operational setbacks. This guide highlights 10 common errors that investors should avoid to protect their investments:

• Skipping Environmental Assessments: Overlooking contamination risks can lead to unexpected liabilities and regulatory delays.
• Misreading Zoning Rules: Misinterpreting bylaws may restrict property use or require costly rezoning.
• Ignoring Title Searches: Hidden encumbrances like liens or open permits can derail transactions.
• Skipping Inspections: Structural or mechanical issues can result in expensive repairs post-purchase.
• Underestimating Maintenance Costs: Overlooking ongoing expenses like utilities and repairs can hurt your financial projections.
• Not Reviewing Leases: Failing to evaluate tenant agreements and financial stability can impact cash flow.
• Overlooking Service Contracts: Unchecked agreements or regulatory compliance issues may lead to unexpected costs.
• Using Vague Contract Language: Ambiguous terms can create legal disputes and financial risks.
• Skipping Survey Reports: Boundary disputes or easements can interfere with property usage.
• Missing Local Restrictions: GTA-specific regulations, heritage designations, and approvals may delay or limit property development.

Key takeaway: A thorough due diligence process - covering environmental checks, zoning, title searches, inspections, and compliance - can safeguard your investment and minimize risks. Always consult experts familiar with GTA regulations to avoid costly surprises.

Commercial Real Estate Due Diligence [Step by Step With Checklist!]

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1. Skipping Environmental Assessments

Skipping environmental assessments can lead to unexpected liabilities and jeopardize the security of your investment.

Why It Matters for Industrial Property Transactions

Industrial properties come with unique risks that other types of commercial real estate don’t. For example, properties with a history of industrial use might hide contamination issues that could cost more to clean up than the property itself. Without an environmental assessment, you could unknowingly take on these expensive liabilities, exposing yourself to substantial financial risks.

How It Affects Financial and Operational Outcomes

Environmental assessments are typically done in phases, with each phase uncovering potential risks that could impact your finances. A Phase I Environmental Site Assessment (ESA) looks into the property’s history for possible environmental concerns and is often required to secure financing. A Phase II ESA goes deeper, testing soil and groundwater to uncover liabilities that might outweigh the property’s value.

For instance, in a 2018 case in Toronto, the Ontario Superior Court of Justice ruled against previous property owners for environmental contamination caused by past industrial activities. Although the contamination could have been identified during due diligence, the seller was still held liable. Yet, the buyers faced significant challenges, including financing issues, delays in remediation, and even operational shutdowns. This highlights the risks buyers take when they skip assessments, even if sellers bear some responsibility.

Beyond the financial consequences, navigating local regulations adds another layer of complexity.

Navigating GTA-Specific Regulations

In Greater Toronto Area (GTA) real estate, due diligence now often includes environmental, social, and governance (ESG) considerations to ensure long-term investment stability. Environmental assessments in this region go beyond identifying contamination; they also ensure that properties meet modern standards for energy efficiency and sustainable site design. Failing to comply with these standards can lead to delays in obtaining occupancy permits, ultimately postponing revenue generation from the property.

Skipping these assessments isn’t just a gamble - it’s a decision that could cost you time, money, and operational efficiency in the long run.

2. Misreading Zoning and Land Use Rules

Misinterpreting zoning bylaws can lead to unnecessary expenses and delays before your operations even begin.

Relevance to Industrial Property Transactions

Understanding zoning bylaws is just as important as conducting environmental assessments when evaluating a property's suitability. These bylaws outline how a property can be used, covering details such as permitted types of manufacturing, building heights, parking requirements, and setbacks. For instance, a "General Industrial" zoning designation in one GTA municipality might come with entirely different restrictions than the same zoning in a neighbouring area. A notable example is the Temagami (Municipality) v. Temagami Barge Limited case, where the Ontario Court of Appeal upheld an injunction against a barge company that expanded its activities - specifically sewage waste disposal and propane dispensary services - without adhering to zoning regulations.

Open building permits can also create legal challenges, potentially interfering with your plans for the property. Much like environmental assessments, zoning compliance is a critical step in protecting your investment.

Impact on Financial and Operational Outcomes

Legal non-conforming properties - those grandfathered under older bylaws - can be particularly problematic. While they may be used as originally intended, they cannot be expanded or adapted for modern industrial purposes. This limitation can stifle operational growth. If zoning violations are discovered post-purchase, municipalities may issue orders requiring costly modifications, impose fines, or restrict property use until all issues are resolved. Additionally, rezoning applications can drag on, delaying your operations and tying up your capital for months.

Local Compliance with GTA-Specific Regulations

To avoid zoning pitfalls, request a Zoning Verification Letter from the municipality early in your due diligence process. This document provides official confirmation of the property's zoning, notes any pending bylaw amendments, and flags registered non-compliance issues. General zoning maps often miss site-specific exceptions tied to past development applications, so relying on them alone can be risky. Beyond zoning, ensure the property’s utilities - like electrical and water services - meet the requirements of your intended operations, not just what the zoning permits. As The Real Estate Law Firm advises:

"Zoning issues can delay or derail transactions. Ensure your legal team confirms compliance early in the due diligence process".

3. Ignoring Title Searches and Hidden Encumbrances

Skipping a title search can leave you exposed to hidden liabilities and create unexpected barriers to your operations.

Relevance to Industrial Property Transactions

A title search ensures the seller has the legal right to sell the property while uncovering any encumbrances that might limit its use. These can include undischarged mortgages, construction liens, Certificates of Pending Litigation (CPL), or restrictive covenants. For instance, cautions registered on a title indicate a third party may have a proprietary interest - such as a prior Agreement of Purchase and Sale - which could prevent the owner from freely dealing with the property. Additionally, writs of execution, which follow a debtor and attach to all their land holdings, must be resolved before any transfer can occur.

A notable case highlights this issue: in February 2025, the Ontario Court of Appeal ruled in EPRF Holdings Limited v. Fergus Bloor Inc. that an open building permit constituted a valid title defect. Here, the buyer discovered the open permit during due diligence and subsequently terminated the agreement. The court agreed, stating the open permit interfered with the buyer's intended use of the property, which justified cancelling the deal and returning the deposit. Baker & Company underscores this point:

"A title search might reveal, for example, that the seller was not legally authorized to sell the property or that liens or mortgages are registered on the title".

Ignoring these title issues can be just as damaging as overlooking zoning or environmental risks, potentially derailing your investment entirely.

Impact on Financial and Operational Outcomes

Overlooking title issues can lead to cancelled transactions or burden you with unexpected costs post-closing. For example, utility easements or access restrictions could complicate property use. Similarly, failing to conduct Personal Property Security Act (PPSA) searches could mean inheriting debt tied to industrial machinery or equipment on the property. Another key consideration is Section 50 of the Planning Act, which prohibits property transfers if the vendor owns adjacent land unless specific exceptions are met or consent is secured. Violating this section can render your entire transaction invalid.

To avoid these pitfalls, it’s essential to adhere to proper title search protocols, especially in regions like the Greater Toronto Area (GTA).

Local Compliance with GTA-Specific Regulations

In the GTA, specific steps can help mitigate risks. Start with a sub-search of title and a writ search to uncover encumbrances or debts. Review a current survey to identify any encroachments, easements, or boundary issues, and ensure compliance with the Planning Act by verifying that no neighbouring lands create legal conflicts. Finally, conduct PPSA searches to identify any security interests tied to equipment or machinery associated with the property. These steps can safeguard your transaction and protect your investment.

4. Skipping Physical Property Inspections

Relying only on photos or quick walkthroughs can lead to serious issues - structural, mechanical, and regulatory problems that might not be obvious without expert evaluation.

Why Physical Inspections Matter in Industrial Property Transactions

In industrial real estate, inspections go far beyond what’s typical for residential properties. These properties require specialized assessments to ensure they meet operational needs and comply with regulations. A thorough inspection should cover structural integrity (like the roof, foundation, and loading docks), mechanical systems (such as HVAC and power distribution), and electrical capacity to handle modern equipment demands. This is especially crucial for older industrial buildings in the GTA, which may require expensive upgrades to meet today’s standards.

As Baker & Company puts it: "Thorough due diligence... helps safeguard your investment". Skipping inspections could mean discovering issues like outdated utility systems, failing structural components, or code violations only after the purchase is complete.

Financial and Operational Risks of Neglecting Inspections

Overlooking inspections can lead to massive expenses. Structural problems, like a collapsing roof or foundation damage, can bring operations to a standstill and require emergency repairs that could cost hundreds of thousands of dollars. Insufficient electrical capacity can delay occupancy while costly upgrades are made. Additionally, failing mechanical systems might disrupt operations, impacting supply chains and revenue.

Non-compliance with building codes, including accessibility standards under the Ontario Building Code, can result in fines or even restrictions on occupancy. These risks highlight the importance of ensuring properties meet local regulations before finalizing a purchase.

Ensuring Compliance with GTA-Specific Regulations

As of 1 March 2025, the Industrial Green Development Standard Tier 1 applies to new industrial developments and major renovations in several GTA municipalities, including Mississauga. Inspections should confirm compliance with requirements for energy efficiency, stormwater management, and sustainable design. Inspectors should also cross-check physical structures against municipal records to uncover any open permits. Additionally, requesting a zoning verification letter early in the process can confirm that the property adheres to local bylaws, such as those governing building height, lot coverage, and parking ratios in areas like Toronto, Mississauga, and Brampton.

Skipping these steps could lead to costly surprises and operational headaches down the line.

5. Underestimating Maintenance and Operating Costs

Many investors focus heavily on purchase price and rental income while neglecting the ongoing costs of maintenance and operations. For industrial properties, failing to account for these expenses can turn what seems like a lucrative investment into a financial drain. Overlooking these costs can skew your financial projections and put the long-term success of your investment at risk.

Relevance to Industrial Property Transactions

Industrial properties come with unique maintenance demands, particularly when heavy machinery and large-scale equipment are involved. Regular upkeep is critical to avoid operational disruptions. For instance, Common Area Maintenance (CAM) fees typically range from 15% to 35% of an annual industrial lease payment, while utility costs for industrial spaces often average around $2 per square foot annually. Skipping a detailed review of these figures during due diligence could lead to inaccurate financial planning.

Impact on Financial and Operational Outcomes

"A minor problem, if left unchecked, can snowball into a major repair that disrupts operations and costs more than if it were addressed earlier." - RIOO Team, RIOO

Neglecting maintenance can quickly turn small issues into major, costly repairs that disrupt operations. For example, delaying maintenance on key systems like HVAC units or loading docks could result in expensive emergency fixes. To avoid this, it's crucial to review three years' worth of utility bills, tax records, and maintenance invoices. Additionally, obtaining Property Condition Reports can help establish a realistic cost baseline and identify both immediate repairs and future capital requirements.

Thoroughness of the Due Diligence Process

Carefully examine service contracts for key systems like elevators, security, and cleaning services to confirm they are transferable and competitively priced. Be on the lookout for deferred maintenance by the seller, as this could signal a backlog of unresolved issues. In municipalities like Mississauga, where properties may need to comply with the Industrial Green Development Standard Tier 1, factor in additional operating costs for energy-efficient upgrades and stormwater management. Ignoring these expenses could directly reduce your Net Operating Income (NOI) and overall returns. A detailed and accurate forecast of these costs is essential for a complete due diligence process.

6. Failing to Review Leases and Tenant Financial Strength

When buying industrial properties, reviewing lease terms and evaluating tenant financial strength are crucial steps in due diligence. For properties with existing tenants, a detailed lease review helps protect both cash flow and long-term property value. In Ontario, buyers inherit all tenant-related obligations under the Commercial Tenancies Act, making tenant financial stability a key factor in assessing risk.

Why This Matters in Industrial Property Deals

Industrial leases often include specific terms, like triple-net leases, where tenants cover expenses such as taxes, insurance, and maintenance. Additionally, clauses like rights of first refusal or purchase options can complicate transactions and need careful examination. Rent escalation clauses - whether they involve fixed increases or adjustments tied to the Consumer Price Index (CPI) - are another critical area to review. These ensure your investment keeps up with inflation and maintains expected returns.

Financial and Operational Risks

Overlooking tenant financial strength can lead to unexpected challenges. To mitigate risks, request estoppel certificates to confirm lease terms, examine payment histories to identify potential default risks, and check lease expiry schedules to understand future vacancy exposure. Also, watch for hidden liabilities, such as landlord-funded improvements, which could impact your net income.

Ensuring a Comprehensive Review

Dive into tenant financial statements to spot red flags indicating potential defaults. Pay close attention to exclusive use clauses, as these can restrict flexibility when filling vacancies. Additionally, verify the property's occupancy certificate and carefully review renewal, termination, and maintenance clauses. These steps help avoid pitfalls like below-market lease renewals or early terminations that could disrupt your cash flow.

7. Ignoring Service Contracts and Regulatory Compliance

Thoroughness of Due Diligence Process

When conducting due diligence on industrial properties, service contracts and regulatory compliance are often overlooked, even though they can have a major impact on the transaction. Beyond the standard lease reviews and property inspections, it's crucial to examine all existing service agreements. These might include HVAC maintenance contracts, waste management services, security arrangements, and utility agreements. These contracts may carry obligations or terms that transfer to you as the new owner, and some of those terms could be less than ideal.

Another critical step involves off-title searches through municipal and provincial agencies. These searches can reveal hidden issues like non-compliance notices, outstanding work orders, or unresolved building permits that don’t show up in standard title searches. In Ontario, public entities are generally required to respond to information requests within 20 days, but in practice, it might take up to 60 days. To avoid triggering unnecessary inspections or compliance issues, authorize these searches carefully and strategically.

Skipping these checks could lead to serious financial consequences.

Impact on Financial and Operational Outcomes

Neglecting compliance verification can result in delayed closings, disrupted financing, or even an inability to resell the property. For instance, unresolved regulatory issues like open permits can directly impact how you can use the property.

Zoning compliance is another area where lapses can cause significant problems. A case in point is Temagami (Municipality) v. Temagami Barge Limited, where the Ontario Court of Appeal issued an injunction against a barge company. The company was barred from expanding its sewage disposal and propane services because these activities violated zoning bylaws. The court underscored the public interest in enforcing zoning laws, showing how operational restrictions can be legally imposed and permanently limit the property's commercial use.

"Proper due diligence on the buyer's part might have helped the parties avoid litigation." - Baker & Company

Local Compliance with GTA-Specific Regulations

In the Greater Toronto Area (GTA), local regulations add another layer of complexity, making it even more important to verify all necessary permits and certifications. This includes occupancy permits, fire safety certifications, and any special licences required for handling hazardous materials. Failing to secure these can delay operations or, in extreme cases, bring them to a halt. Additionally, buyers could inherit unpaid utility bills or face unexpected costs to bring unpermitted structures into compliance with current building codes.

To safeguard your investment, request a municipal zoning verification letter and conduct thorough title searches for open permits. Taking these steps can help you avoid costly surprises and ensure your property is ready for its intended use.

8. Using Unclear Contract Language

Relevance to Industrial Property Transactions

Precise contract language is just as crucial as inspections and title searches when it comes to thorough due diligence. Vague wording in contracts can leave both buyers and sellers vulnerable to disputes and financial setbacks. One common issue is the due diligence clause - many contracts don't clearly outline the buyer's responsibilities during this critical period. This lack of clarity can lead to disagreements over whether essential checks, like municipal zoning bylaws, Environmental Site Assessments, or title searches, were adequately performed.

Another frequent problem is the failure to clearly define terms like "title defect." A notable case highlighted how ambiguous language can derail a deal, emphasizing the need for precise definitions. Such vagueness not only confuses buyer obligations but also increases the likelihood of future contractual conflicts.

Impact on Financial and Operational Outcomes

Contracts that are poorly drafted often skip over crucial details, like confirming whether zoning regulations align with the buyer's intended use of the property. This can result in legal restrictions that limit how the property can be utilized. Similarly, environmental liability clauses that don't clearly address historical contamination can lead to lawsuits, even if the buyer was aware of the issue during the due diligence process.

"A well-drafted purchase agreement is your strongest line of defence against post-closing disputes." - The Real Estate Law Firm

To safeguard your investment, contracts should include detailed clauses covering price, sale terms, tax considerations, and insurance. Repair obligations should also be explicitly outlined - if inspections uncover issues like unpermitted mezzanines or HVAC system violations, the agreement should specify whether the seller is responsible for repairs or must offer a price credit. Additionally, confidentiality agreements are essential during the 30- to 60-day due diligence period to protect sensitive industrial data.

Clear and specific contract provisions are your best defence. They help prevent post-closing disputes and ensure your due diligence process is as thorough as possible.

9. Ignoring Survey Reports and Property Lines

Why Survey Reports Matter in Industrial Property Deals

When it comes to industrial property transactions, survey reports are not optional - they're essential. These reports do more than just confirm property boundaries; they uncover potential issues like easements or encroachments that could disrupt your operations. Physical markers, like fences or stakes, often don't align with the legal boundaries. Without a proper survey, you might find out too late that your loading dock, storage shed, or parking lot extends onto someone else's land.

Financial and Operational Risks of Skipping Surveys

Skipping survey reviews can lead to costly headaches. Common issues like boundary disputes or unpaid utility bills can surface after closing, but these risks are avoidable with thorough due diligence. For example, in the Temagami (Municipality) v. Temagami Barge Limited case, the Ontario Court of Appeal issued an injunction against a barge company, halting its operations because they violated zoning bylaws. This case highlights how failing to verify property boundaries and zoning compliance can throw a wrench in your business plans.

"Thorough due diligence, in which the buyer reviews zoning bylaws, assesses environmental risks, and searches title, will help safeguard against any complications that might arise in the future." - Baker & Company

By combining survey reviews with title and zoning assessments, you can identify and address potential boundary or regulatory issues before they become costly problems.

Tailoring Survey Insights to GTA Regulations

In the Greater Toronto Area (GTA), survey findings must align with local land use rules to ensure your property plans stay on track. The GTA has specific land use designations that could directly impact your operations:

• Employment Areas: These zones are geared towards economic activity, making them ideal for industrial or warehouse uses.
• Regeneration Areas: These allow for mixed-use redevelopment, offering potential for industrial spaces to be converted to other uses.
• Utility Corridors: While these accommodate infrastructure, they often come with limited development rights and significant easements.

Your survey should confirm that the property's legal boundaries match these designations and that any utility easements won't interfere with your business operations. Ignoring this step could mean facing restrictions that limit how you can use your investment.

10. Missing GTA-Specific Restrictions and Heritage Designations

Thoroughness of Due Diligence Process

When dealing with industrial properties in the GTA, the due diligence process goes beyond the basics. Many sites fall under the jurisdiction of Conservation Authorities, which may demand detailed studies or plans before any development can move forward. On top of that, heritage designations and archaeological assessments often introduce additional layers of complexity that can be easy to miss. Fortunately, the Ontario Site Readiness Program offers financial support, covering 50% of eligible expenses, up to $25,000, for tasks such as Heritage Impact Assessments and Archaeological Studies.

Relevance to Industrial Property Transactions

These assessments are not your typical property inspections - they focus on historical and cultural considerations specific to the GTA. If your property carries a heritage designation, a Heritage Impact Assessment is essential to determine how the designation might affect any planned changes. For vacant land or sites near historical landmarks, archaeological studies - ranging from Stage 1 to Stage 4 - might be mandatory. To qualify for provincial site readiness funding, properties generally must consist of at least 2.02 hectares (five acres) of vacant, contiguous land designated for industrial use.

Impact on Financial and Operational Outcomes

Ignoring these restrictions can have serious consequences. Just as unresolved building permits can create title defects, failing to account for heritage designations can disrupt a transaction entirely. For example, in EPRF Holdings Limited v. Fergus Bloor Inc., the Ontario Court of Appeal ruled that an undisclosed open building permit constituted a title defect, allowing the buyer to back out of the deal. Similarly, in Temagami (Municipality) v. Temagami Barge Limited, the court issued an injunction against a company that expanded its operations beyond zoning limits, prioritizing public interest over private business goals.

Local Compliance with GTA-Specific Regulations

This step ties in with earlier due diligence measures, such as checking for environmental, zoning, and title issues. A thorough title search should also include GTA-specific permits and requirements, which Ontario courts have recognized as valid title defects. Make sure to confirm whether Conservation Authority approvals or archaeological clearances are needed for your site. Overlooking these local requirements can lead to enforcement actions that could halt your operations entirely.

How Lennard Commercial Helps You Avoid These Mistakes

Navigating due diligence for industrial properties in the GTA requires a deep understanding of both the market and local regulations. Michael Law and the team at Lennard Commercial bring this expertise to the table, offering a detailed approach to zoning and compliance. They specialize in deciphering the zoning frameworks that vary across GTA municipalities, whether it’s Toronto’s Official Plan or the specific bylaws in places like Mississauga and Brampton. This level of detail allows them to flag site-specific zoning exceptions and determine when minor variance applications might be needed for certain business operations.

One area where their knowledge is especially valuable is in assessing how different land use designations can affect long-term investment outcomes. For example, while Employment Areas are reserved for industrial use, Regeneration Areas may allow for mixed-use conversions. These distinctions are critical for shaping investment strategies. Lennard Commercial supports clients by providing market insights and property analytics, helping them identify redevelopment opportunities or avoid risks tied to potential changes in municipal plans.

Their expertise doesn’t stop at zoning. Lennard Commercial offers a full suite of due diligence services, tackling everything from environmental assessments to tenant lease reviews. Their familiarity with GTA-specific regulations ensures that no detail is overlooked, reducing the risk of costly errors or unforeseen complications during transactions.

Beyond due diligence, Lennard Commercial customizes their services to fit every stage of property transactions. Whether it’s lease renewals, investment sales, or securing owner-occupied spaces, they adapt their strategies to the property type and current market dynamics. Their industrial property solutions cover a broad spectrum, ensuring that compliance, maintenance cost estimates, and title searches are all in line with your operational goals. By integrating these insights, Lennard Commercial helps clients avoid common pitfalls and achieve secure, profitable industrial investments in the GTA.

Conclusion

Careful due diligence is essential when dealing with industrial property transactions in the GTA. The ten pitfalls discussed - from ignoring environmental assessments to missing heritage designations unique to the region - can turn a solid investment into a financial burden. As Baker & Company wisely notes:

"An ounce of prevention is worth a pound of cure. This is absolutely true of due diligence in commercial real estate."

Industrial properties often come with legacy risks that could result in significant liabilities, making a thorough review process absolutely critical.

It's worth noting that nearly 80% of acquisitions fail due to inadequate due diligence. These failures often lead to costly legal battles, unexpected expenses, and operational delays - issues that could have been avoided with proper preparation. Steps like title searches, lease reviews, and zoning checks are not just procedural; they are essential safeguards against such risks.

Seeking guidance from professionals familiar with the GTA's regulatory framework can be a game-changer. As Nanda and Associate Lawyers explain:

"Real estate due diligence is a powerful tool that empowers buyers to make informed decisions and protect their investments."

This advice is particularly relevant in Toronto's intricate industrial property market.

Industrial property transactions should never be approached as routine. Mistakes - whether they involve environmental factors or zoning missteps - can severely impact your investment. Navigating these deals successfully requires expertise, detailed investigation, and professional input. Taking the time for comprehensive due diligence today ensures your investment remains secure in the long run.

FAQs

How long should due diligence take for a GTA industrial property?

The due diligence process for an industrial property in the Greater Toronto Area (GTA) typically spans 30 to 75 days. This period is crucial for conducting a detailed review of the property's condition, ensuring it meets regulatory requirements, and identifying any potential risks. The timeline can vary based on how complex the property is and the extent of the assessments needed.

What reports should I order first (ESA, zoning, title, survey, inspection)?

The first reports to focus on during industrial property due diligence include environmental assessments (ESA), zoning, title, survey, and inspections. A Phase I ESA is crucial as it highlights potential environmental risks. Zoning and title reports verify the property's legal use and ownership. Surveys confirm accurate property boundaries, while inspections evaluate the property's condition. Prioritizing these reports helps tackle environmental, legal, and physical issues early in the process.

What GTA-specific approvals can delay my closing or occupancy?

In the Greater Toronto Area (GTA), certain approvals can hold up closing or occupancy timelines. These include zoning compliance, official plan amendments, and environmental assessments. Each of these is a critical regulatory step that often requires thorough review and sign-off before moving forward with a transaction.

If these processes aren't tackled early during the due diligence stage, they can lead to unexpected delays. For instance, zoning compliance ensures that the intended use of a property aligns with local zoning bylaws, while official plan amendments may be needed if the project deviates from the area's long-term planning goals. Environmental assessments, on the other hand, evaluate potential environmental impacts, which can be a time-intensive process.

Addressing these requirements upfront can help streamline approvals and reduce the risk of setbacks.