Underwriting worksheet — No. 01
BRRRR calculator
Buy, rehab, rent, refinance, repeat — stated as a one-page memo: what goes in, what comes back out at the refinance, and what the leftover capital actually earns.
Cash-on-cash return
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Annual cash flow measured against the capital still sitting in the deal once the refinance clears. Everything below is the arithmetic behind that one number.
Schedule of assumptions
Adjust any line; every figure on this page restates immediately.
Purchase
Rehab
Taxes, insurance, utilities and debt service per month while the crew is in there.
Rental income
Refinance
Capital account
All figures rounded to the dollar.
Cash into the deal
Cash back at refinance
Position after refinance
Operating statement
Per month, stabilised.
This worksheet gives estimates for planning, not a lender approval. Appraised value, rehab scope, rent, and refinance terms all move once you are in the deal, so confirm the numbers with your lender, contractor, and accountant. It is not tax, legal, or investment advice.
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