A solid BRRR deal analysis is the difference between recycling your capital and leaving $20,000 trapped in a property you cannot refinance out of. Most investors spend hours running numbers in spreadsheets, toggling between tabs, and second guessing their assumptions. But once you know exactly which numbers matter and in what order, you can evaluate a BRRR deal in about five minutes.
Here is the exact framework we use, with a real deal from Birmingham, Alabama as the example.
Step 1: Start With the Purchase Price and ARV (60 Seconds)
The first number you need is the purchase price. The second is the after repair value (ARV). Everything else flows from the gap between these two.
For this example, let us use a real deal structure common in Birmingham’s Section 8 market:
- Purchase price: $65,000
- ARV (based on comps within 0.5 miles): $115,000
- Rehab budget: $28,000
- All in cost: $93,000
The quick check here is the 70% rule. Your all in cost should be at or below 70% of ARV. In this case, $115,000 x 0.70 = $80,500. At $93,000, we are above that threshold, which means this deal needs closer scrutiny. But in a market like Birmingham where purchase prices are low and rents are strong relative to value, the cash flow math often still works. That is why you do not stop at step one.
Step 2: Estimate Rent and Run the 1% Test (30 Seconds)
Before you go any further, check whether the rent supports the investment. The quick filter is the 1% rule: monthly rent should be at least 1% of your all in cost.
- All in cost: $93,000
- 1% target: $930/month
- Actual market rent (Section 8 FMR for 3BR in Jefferson County): $1,150/month
That passes easily. Section 8 rents in Birmingham often exceed the 1% rule because the Fair Market Rent set by HUD reflects what the housing authority will pay, and in many zip codes, that number is generous relative to purchase prices.
At this point, you know the deal has potential. Time to check the refinance math.
Step 3: Model the Refinance (90 Seconds)
This is where most BRRR deals succeed or fail. You need to answer one question: how much of my capital can I pull back out?
Most DSCR lenders in 2026 will refinance at 75% of appraised value after a 6 month seasoning period. Some require 70%. Let us use 75%.
- ARV: $115,000
- 75% LTV refinance: $86,250
- All in cost: $93,000
- Capital left in deal: $6,750
So you would leave $6,750 in this property. That is not a perfect “infinite return” BRRR where you pull 100% of your capital out, but it is close. And here is the key insight that many new BRRR investors miss: leaving a small amount of capital in a deal that cash flows $300+ per month is still an excellent return. You do not need to pull every dollar out for the strategy to work.
If the appraised value comes in at $120,000, your refinance proceeds jump to $90,000 and you are only $3,000 short of a full capital recycle. The margin matters, which is why tracking rehab spend against budget in real time is critical. Every $1,000 you go over on rehab is $1,000 more trapped in the deal.
Step 4: Calculate Cash Flow After Refinance (90 Seconds)
Now model what the property looks like as a long term hold after the refinance closes.
Monthly income:
- Rent (Section 8 HAP + tenant portion): $1,150
Monthly expenses:
- DSCR mortgage payment (6.5% rate, 30 year, $86,250 loan): $545
- Property management (10%): $115
- Insurance: $85
- Taxes: $75
- Vacancy reserve (5%): $58
- Maintenance reserve (5%): $58
- CapEx reserve (5%): $58
Total monthly expenses: $994
Monthly cash flow: $156
Annual cash flow: $1,872
Cash on cash return (on $6,750 left in deal): 27.7%
A 27.7% cash on cash return is strong. Compare that to parking $93,000 in a turnkey deal that cash flows $150/month. The turnkey gives you a 1.9% cash on cash return. The BRRR, even though you left some capital in, returns nearly 15x more per dollar invested because you recycled most of your money.
Step 5: Stress Test the Numbers (60 Seconds)
The final step takes one minute and separates good investors from great ones. Ask three questions:
What if rent drops 10%? Monthly rent goes to $1,035. Cash flow drops to $41/month. You are still positive, but barely. This deal depends on stable rents, which is exactly why Section 8 is valuable here. The HAP contract provides 12 months of guaranteed income.
What if the appraisal comes in 10% low? ARV drops to $103,500. Refinance at 75% gives you $77,625. Now you have $15,375 stuck in the deal. Still a 12.1% cash on cash return, but your capital recycle is significantly worse. This is why you need solid comps before you commit.
What if rehab goes 20% over budget? Your all in cost jumps to $98,600. With the original $86,250 refinance, you now have $12,350 in the deal. Cash on cash drops to 15.2%. Still acceptable, but you can see how rehab overruns compound the problem.
If the deal survives all three stress tests with positive cash flow, it is worth pursuing.
Why Speed Matters in BRRR Deal Analysis
In competitive markets, the investor who can evaluate a deal in 5 minutes sees 10 deals in the time it takes someone else to analyze one. The five step framework above works because it follows a logical elimination sequence: if the deal fails at any step, you stop and move to the next opportunity.
The challenge is that this analysis only covers the buy. Once you close, you need to track rehab budget against actual spend in real time, monitor the seasoning period, verify the appraisal, and then track the refinanced property’s performance month over month. That is where most investors lose the thread, because the spreadsheet that worked for analysis does not work for ongoing tracking.
DoorVault’s BRRR tracker follows your deal through every phase. Purchase details, rehab budget vs. actual, ARV monitoring, refinance readiness, and post refinance cash flow tracking. All in one place, updated automatically as Knox processes your PM statements and documents.
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