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How Financing Costs Impact BRRRR Deals: Adjusting MAO and Profit Margins

Hootan Nikbakht

Hootan Nikbakht

Real Estate Expert

August 26, 2026
11 min read
How Financing Costs Impact BRRRR Deals: Adjusting MAO and Profit Margins

Understanding Financing Costs in BRRRR Deals

Financing costs are a critical factor in BRRRR (Buy, Rehab, Rent, Refinance, Repeat) deals, directly impacting your profit margin and overall deal viability. These costs include loan interest, origination fees, and holding costs. Each of these can add up quickly, and underestimating them can turn what looks like a great deal into a money-losing investment.

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Loan interest is the most obvious financing cost. For instance, if you secure a hard money loan at 12% annual interest on a $200,000 loan, you’ll owe $2,000 per month in interest alone. Origination fees, often 1-3% of the loan amount, are another upfront cost. On the same $200,000 loan, a 2% origination fee adds $4,000 to your expenses before renovations even begin.

Holding costs are the ongoing expenses you incur while the property is being rehabbed and before it generates rental income. These include property taxes, utilities, insurance, and loan interest during the holding period. For example, if your holding costs total $1,500 per month and the rehab takes six months, that’s an additional $9,000. Combining holding costs with loan interest and fees paints a clearer picture of the total financing burden.

All of these costs directly affect your Maximum Allowable Offer (MAO). The MAO formula—(ARV x 0.70) - repair costs—leaves a 30% margin for financing costs, profit, and unexpected expenses. If financing eats up more than anticipated, your profit margin shrinks. For example, with an ARV of $300,000 and $50,000 in rehab costs, the MAO is $160,000. But if financing costs total $20,000, your true margin drops from 30% to just 23%.

Understanding and accurately estimating these costs is essential. Skipping this step risks overpaying for a property or eroding your profit. Every financing cost must be factored into your deal math to ensure the BRRRR strategy delivers the returns you expect.

Worked Example: Calculating MAO with Hard Money Financing

Hard money loans are a common choice for BRRRR investors because they’re fast and flexible, but the costs can quickly eat into your profit if not properly accounted for. Let’s calculate the Maximum Allowable Offer (MAO) for a BRRRR deal using hard money financing. Here are the key numbers:

  • After Repair Value (ARV): $250,000
  • Repair Costs: $50,000
  • Hard Money Loan Interest: 12% annual
  • Loan Origination Fee: 2 points (2% of loan amount)
  • Loan Term: 6 months

The 70% rule helps us set the upper limit on the purchase price. It states that MAO = (ARV x 0.70) - repair costs. For this property:

MAO (before financing adjustments) = ($250,000 x 0.70) - $50,000 = $175,000 - $50,000 = $125,000.

Now, let’s adjust for the hard money financing costs. First, calculate the loan amount. Hard money lenders typically fund 90% of the purchase price and 100% of the repairs. Assuming we offer the full MAO of $125,000, the loan would cover:

  • 90% of $125,000 = $112,500 (purchase)
  • 100% of $50,000 = $50,000 (repairs)

Total loan amount = $112,500 + $50,000 = $162,500.

Next, calculate the financing costs:

  • Interest for 6 months: $162,500 x 12% annual ÷ 2 = $9,750.
  • Origination fee: $162,500 x 2% = $3,250.

Total financing costs = $9,750 + $3,250 = $13,000.

To maintain profitability, you’ll need to subtract these financing costs from your MAO. Adjusted MAO = $125,000 - $13,000 = $112,000. This ensures the hard money costs are factored into your offer to protect your margins.

Financing costs can significantly impact your calculations, especially with high-interest loans. By adjusting your MAO upfront, you avoid overpaying and keep your deal profitable.

Worked Example: Private Lending and Long-Term Profit Implications

Private lending can be a great option for funding BRRRR deals, offering lower interest rates than hard money loans but often requiring higher upfront costs. Let’s break down a realistic example to see how private lending impacts both short-term cash flow and long-term equity after refinancing.

Assume you’re looking at a property with an ARV of $300,000 and estimated repair costs of $40,000. A private lender agrees to fund 90% of the purchase price and 100% of the rehab costs, charging an 8% annual interest rate and 2 points upfront. Let’s say the property is selling for $200,000. The lender covers $180,000 (90% of $200,000) for the purchase and $40,000 for repairs, totaling $220,000 in financing. The 2 points upfront mean you’ll pay $4,400 ($220,000 x 0.02) at closing, plus any other closing costs.

Holding the property for six months during renovations and stabilization, the interest payments on the private loan will total $8,800 ($220,000 x 0.08 ÷ 12 x 6). Adding this to your upfront costs, you’ve spent $13,200 on financing alone. Now, after completing the BRRRR process, you refinance into a conventional loan. Assuming a lender allows you to refinance at 75% of the ARV, you can pull out $225,000 ($300,000 x 0.75). This pays off the $220,000 private loan, leaving you with $5,000 cash back.

However, you’ll also need to account for your out-of-pocket costs: the $20,000 down payment (10% of $200,000 purchase price), $4,400 in points, and $8,800 in interest. That’s $33,200 total. After refinancing, you’ve essentially left $28,200 in the deal ($33,200 - $5,000 cash back). While this is higher than with some hard money loans, the lower interest rate improves your monthly cash flow, especially if you hold the property long term.

The key takeaway is balancing upfront costs, interest rates, and long-term cash flow. Private lending often reduces holding costs compared to hard money loans but may require more capital upfront. Always run the numbers carefully to ensure the deal supports your financial goals.

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Nuances: How Holding Costs and Refinancing Timing Affect Profit

In BRRRR deals, timing is everything. Extended renovation timelines or delays in refinancing can significantly reduce your profit margins. Holding costs, which include loan interest, property taxes, insurance, and utilities, continue to accrue every month you own the property. These costs are easy to underestimate, but they can quickly add up, especially if unforeseen delays occur.

For instance, let’s assume your holding costs are $2,000 per month. If a renovation project is delayed by four months due to contractor issues, that’s $8,000 in additional costs. These extra expenses directly eat into your profit. If your original projected profit was $30,000, this delay would drop your profit to $22,000—a 27% reduction. Such numbers highlight why it's crucial to account for potential delays and their financial impact in your deal calculations.

Refinancing timing is another key factor. Most BRRRR investors aim to refinance quickly to lock in long-term financing and reduce their monthly carrying costs. However, if refinancing is delayed—perhaps due to appraisal issues or lender backlogs—you might be stuck paying higher interest rates on short-term loans like hard money. A delay of just two months could leave you paying thousands more in interest, further shrinking your margins.

Fluctuating interest rates also play a role. If rates rise during your holding period, your refinancing terms could worsen, increasing your ongoing mortgage payments. For example, an interest rate increase of 0.5% on a $200,000 loan could cost you an additional $1,000 annually. Over time, these higher costs can undermine the cash flow you expect from renting the property after refinancing.

The takeaway? Build a buffer into your budget and timelines. Plan for potential delays, track holding costs closely, and monitor interest rate trends. These small steps can help protect your profit margins when unexpected issues arise.

Common Mistakes in Financing BRRRR Deals

BRRRR investors often make financing-related mistakes that can erode profit margins or even turn a promising deal into a financial loss. Understanding these pitfalls and how to avoid them is crucial for success. Below are four common mistakes and actionable tips to steer clear of them.

1. Underestimating Holding Costs: Many investors overlook how quickly holding costs—like property taxes, insurance, utilities, and loan interest—can add up. For example, if you plan to hold a property for six months during rehab and refinance, a $200,000 loan at 12% interest will cost $2,000 per month in interest alone. Add taxes and utilities, and your holding costs could hit $15,000 or more. To avoid surprises, calculate these costs conservatively and include a time buffer in your estimates.

2. Misjudging Refinance Appraisals: BRRRR success often hinges on the property appraising at or above your expected ARV during the refinance stage. Overestimating this number can leave you stuck with more cash tied up in the deal than planned. For example, if you expect an ARV of $300,000 but the appraisal comes back at $275,000, your cash-out refinance will return less capital. Use recent, realistic comps and consider input from an experienced appraiser to set accurate expectations.

3. Over-Leveraging the Property: Borrowing too much can strain cash flow and increase risk. If your loan-to-value (LTV) ratio is too high, one unexpected expense—like a delayed tenant move-in or unexpected repair—can leave you scrambling for funds. Stick to conservative LTV ratios (typically 70-75% for BRRRR deals) and have a financial cushion for unforeseen costs.

4. Ignoring Refinancing Timing: The timing of your refinance matters. Some lenders require a seasoning period (e.g., six months of ownership) before allowing a cash-out refinance. Failing to account for this can increase holding costs and delay your ability to recycle capital. Before purchasing, confirm seasoning requirements with your lender and ensure your timeline accounts for them.

Avoiding these mistakes requires thorough planning and conservative financial assumptions. By accurately estimating costs, setting realistic expectations, and maintaining a safety buffer, you can protect your profit margins and execute successful BRRRR deals.

FAQ: BRRRR Financing and Adjusting Deal Math

1. How do I estimate holding costs in a BRRRR deal?

Holding costs include expenses you incur while owning the property but before refinancing or renting it out. These typically include loan interest, property taxes, insurance, utilities, and HOA fees (if applicable). For example, if your hard money loan charges 12% annual interest on a $150,000 loan, that’s $1,500 per month in interest alone. Add monthly property taxes ($300), insurance ($150), and utilities ($200), and holding costs would total $2,150 per month. Multiply this by the projected holding period (e.g., 6 months) to estimate your total holding costs: $12,900 in this case.

2. What happens if I can’t refinance as planned?

If you can’t refinance on schedule, holding costs will continue to accrue, and your projected profit margin will shrink. Additionally, private or hard money loans often have short terms (6-12 months), so a delayed refinance could put you at risk of default or force you into an expensive loan extension. To mitigate this, always build a buffer into your refinance timeline. For example, if you estimate completing renovations and refinancing in 6 months, plan for 8 months of holding costs in your budget.

3. How does my financing choice affect my Maximum Allowable Offer (MAO)?

Your financing costs directly impact your MAO because they affect your overall deal expenses. For instance, a hard money loan with high interest will increase your holding costs compared to a private lender offering lower rates. If your ARV is $250,000 and renovation costs are $50,000, but you anticipate $15,000 in financing and holding costs, your MAO under the 70% rule would be: (250,000 x 0.70) - 50,000 - 15,000 = $110,000. Always factor in financing costs when calculating MAO to avoid overpaying.

4. Are private lenders cheaper than hard money lenders?

Private lenders often charge lower interest rates (e.g., 6%-10%) compared to hard money lenders (typically 10%-15%). However, private loans can vary widely and may require a personal relationship or a proven track record. Hard money lenders are more accessible but come with higher rates and fees. Consider the total cost of each option, including points, interest, and loan terms, when deciding which to use. A lower rate can significantly reduce your holding costs and improve profitability.

5. What’s a safe contingency buffer for financing costs?

A common mistake is underestimating costs or timelines. To avoid this, add a 10%-20% contingency to your estimated financing and holding costs. For example, if you calculate $10,000 in total holding and financing expenses, budget $11,000-$12,000 instead. This buffer can protect your profit margins if unexpected delays or cost increases arise.

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