REI Toolkit
BRRRR Calculator
BRRRR analyzer

Can you pull all
your cash back out?

Enter the buy, rehab, rent, and refinance numbers to see your cash left in deal, cash flow, and cash-on-cash return — recalculated as you type.

3 steps
Buy · Rent · Refi
10 metrics
Computed live
Instant
No signup
Purchase & rehab
Step 1 of 3
$
What you pay to buy it.
$
Closing costs when buying.
$
Total renovation cost.
$
Taxes, utilities, interest while rehabbing.
Rent & operating
Step 2 of 3
$
Gross market rent.
%
Expected vacancy.
$
Monthly management fee.
$
Monthly property taxes.
$
Monthly insurance.
$
Repairs reserve.
Refinance
Step 3 of 3
$
Appraised value once renovated.
%
Loan-to-value on cash-out refi.
$
Cost of the refinance.
%
Refi loan APR.
yrs
Years on the new loan.
Deal summary
Cash left in deal
Total cash invested
Refi loan amount
Net refi proceeds
Monthly performance
Effective rent
Operating expenses
Mortgage payment
Monthly cash flow
Annual cash flow
Cash-on-cash return
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Transparent math

How the formulas work

① Total cash invested
Purchase + Closing + Rehab + Holding

Everything out of pocket before refinancing.

② Refi loan
ARV × LTV%

How much the new lender will loan you.

③ Cash left in deal
Total cash − (Refi loan − Refi closing)

What stays trapped after the cash-out refi.

④ Mortgage
P·r(1+r)ⁿ / ((1+r)ⁿ−1)

Monthly principal & interest on the refi loan.

⑤ Monthly cash flow
Effective rent − OpEx − Mortgage

What lands in your pocket each month.

⑥ Cash-on-cash
Annual cash flow / Cash left in deal

Return on the money still in the deal.

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