BRRRR Deal Analyzer: Running the Numbers on Buy, Rehab, Rent, Refinance, Repeat

BRRRR — buy, rehab, rent, refinance, repeat — is the closest thing real estate has to a money machine, and the most common way new investors trap their capital in a deal they can't get out of. The strategy is sound. The arithmetic is unforgiving. The difference between an "infinite return" and $40,000 stuck in a property forever is usually one number: the after-repair value.

A BRRRR isn't one underwrite. It's two, stacked on the same property: the acquisition-and-rehab math that gets you to stabilized, and the rental-and-refinance math that decides whether you can pull your money back out. Run only the first and you'll buy projects that look great until the refinance check is smaller than you needed. Here's how to run both.

The Mechanic in One Paragraph

You buy a distressed property cheap (usually cash or hard money), renovate it to force appreciation, rent it to a qualified tenant, then refinance based on the new appraised value — not your purchase price. If the value you forced is high enough, the cash-out refinance returns most or all of the money you put in, leaving you with a cash-flowing rental and your capital freed up to do it again. That recycled capital is the whole point.

The Number Everything Hangs On: ARV

After-Repair Value is what the property appraises for once the work is done and it's rented. Every dollar you can pull out at refinance is a function of ARV, because lenders cash you out to a percentage of it — typically 75% LTV on an investment cash-out refinance.

Max cash-out loan = ARV × 0.75

Get ARV wrong by 10% and your refinance proceeds move by far more than 10%, because the loan is leveraged on top of it. ARV is not your purchase price plus your rehab budget. It's set by comparable sales of renovated properties in the same submarket, within the last 6 months, same bed/bath/square-footage band. Pull those comps before you buy. If you can't find three renovated comps that support your ARV, you don't have an ARV — you have a guess, and the appraiser will price the guess for you.

The Refinance Math: How Much Capital Comes Back

Here's the calculation that decides whether a BRRRR is "infinite return" or "capital trapped."

Cash left in deal = (Purchase + Rehab + Holding + Closing) − Cash-out loan

If that number is zero or negative, you got all your money back (or more) and your cash-on-cash return is effectively infinite — any cash flow is return on zero invested capital. If it's positive, that's the money still stuck in the property.

A Full Worked BRRRR

The buy:

• Purchase price (distressed): $140,000
• Rehab budget (with 15% contingency): $45,000
• Holding costs (hard money interest, taxes, insurance, utilities for 6 months): $11,000
• Acquisition + refi closing costs: $9,000
• Total cash in: $205,000

The forced value:

• ARV from three renovated comps: $275,000
• Stabilized rent: $2,300/month

The refinance (75% LTV cash-out):

• Max loan: $275,000 × 0.75 = $206,250
• Cash returned at refi: $206,250 (minus the refi closing already counted)

Capital left in deal: $205,000 − $206,250 = −$1,250

You pulled out everything plus a little. That's a textbook BRRRR — your capital recycles into the next deal and you keep a rental for effectively $0 invested.

Now the stabilized rental check (the second underwrite people skip):

• New loan: $206,250 at 7.5%, 30-year → P&I ≈ $1,442/month
• Rent: $2,300
• Operating expenses (taxes, insurance, management at 9%, maintenance, capex, 7% vacancy): ≈ $850/month
• Cash flow: $2,300 − $1,442 − $850 = $8/month

And there's the catch. The deal recycled your capital beautifully — but at the maxed-out 75% loan it barely cash flows. The full cash-out and healthy cash flow are in tension. Pull every dollar out and the bigger loan eats the monthly. Leave some in and you cash flow but trap capital. A real BRRRR analyzer shows you both dials at once so you can pick the trade deliberately instead of discovering it after closing.

Funding the Buy: Cash vs. Hard Money

How you finance the acquisition changes the holding-cost line, and holding costs are real money in a BRRRR because you're carrying the property through a rehab and a seasoning period before any refinance.

All cash is cleanest: no interest clock, the strongest negotiating position with a distressed seller, and the fastest close. The downside is concentration — your whole stake is tied up in one property until the refinance frees it, which is the opposite of the velocity BRRRR is supposed to create.

Hard money lets you control more deals with less of your own cash, but it's expensive and it's a clock. Typical terms run double-digit rates plus 2–3 points, often lending on a percentage of ARV or of purchase-plus-rehab. The interest accrues every month the project drags, so a rehab that slips from four months to seven doesn't just cost you contractor overruns — it adds months of double-digit carry. And hard money usually comes due in 6–12 months, which collides directly with lender seasoning requirements if you're not careful.

The right answer depends on your capital and your deal flow. The mistake is underwriting the holding costs as an afterthought. On a hard-money BRRRR, model the carry at the realistic timeline (not the optimistic one) and confirm the loan term outlasts your seasoning window before you sign.

Where BRRRR Deals Actually Break

1. The appraisal comes in low. This is the #1 killer. You renovated to a $275K ARV; the appraiser says $250K. Your 75% loan drops from $206K to $187K — and now $18,000 of your capital is stuck. Defend your ARV with comps you've already pulled, and stress-test the deal at an ARV 10% below target. If it still works at the lower number, you have margin.

2. The rehab runs over. A 15% contingency isn't padding; it's the budget. The walls always hide something. A $45,000 scope that becomes $58,000 turns a clean BRRRR into trapped capital. Underwrite the contingency as if you'll spend it.

3. Seasoning rules. Many lenders require you to own ("season") the property 6–12 months before they'll refinance at full ARV instead of your purchase price. If your hard money comes due before seasoning clears, you're stuck bridging. Confirm the lender's seasoning requirement before you buy, not after.

4. Rates moved. Your refinance happens months after you buy, at whatever rate exists then. If rates climbed, the bigger payment can flip a cash-flowing deal negative even when the capital recycles fine. This is the same parallel-underwrite discipline that creative deals demand — see how it plays out when you inherit a rate instead of getting a new one in the subject-to financing breakdown.

The "Repeat": Why Velocity Is the Real Return

The fifth R is where BRRRR actually outruns a buy-and-hold strategy, and it's the part deal analyzers usually ignore because it spans multiple properties. The return that matters isn't the cash-on-cash on any one deal — it's how many times the same dollar gets reused.

Watch one $200,000 stake move through three deals in a year and a half, assuming each BRRRR returns ~95% of capital at refinance:

• Deal 1: Deploy $200,000. Refinance returns $190,000. You keep a rental and have $190,000 back, six months in.
• Deal 2: Deploy the $190,000. Refinance returns ~$181,000. Two rentals now, ~$181,000 in hand.
• Deal 3: Deploy $181,000. Now you own three cash-flowing rentals — built on what was originally enough cash for one traditional 25%-down purchase.

A buy-and-hold investor with that same $200,000 buys one property and waits. The BRRRR investor built a three-property portfolio because the capital never sat still. The small amount that doesn't come back each cycle (the $10K–$19K of friction above) is the real cost of the strategy — track it, because after enough cycles the leftover capital adds up and eventually you'll need a fresh injection to keep the velocity going.

This is also why the refinance-side math matters more than the cash flow on deal one. A BRRRR that cash flows $300/month but only returns 70% of your capital is worse for velocity than one that breaks even on cash flow but returns 100%. Optimize for how fast the dollar recycles, not just what each property pays you monthly.

The Stabilized Underwrite Is Not Optional

The most expensive BRRRR mistake is treating it as a flip that you happen to keep. Flippers underwrite the rehab-to-ARV spread and stop. A BRRRR investor has to also underwrite the property as a permanent rental at the new, larger loan balance — NOI, DSCR, cash flow, the works. You can force enough equity to get a full cash-out and still own a property that loses money every month at the refinanced loan amount.

Run the rental side with the same rigor as any buy-and-hold. How to underwrite a rental property covers the five metrics every stabilized deal has to clear, and the underwriting workflow on dre1mery.com models the acquisition side and the refinanced-rental side on one property so the two underwrites stay connected instead of living in separate spreadsheets.

When you've got a BRRRR penciled and want a gut check on the ARV or the post-refi cash flow before you commit hard money to it, post it on /share-a-deal. The ARV is the number worth arguing about — and it's a lot cheaper to argue about it before you own the property than after.