REDBO Tools

Real estate math,fully inspectable.

Enter the values, see the estimate update live, and expand every result to inspect how it was derived. Calculator state stays in the URL; no calculation record is created. These are estimates — never a quote, guarantee, or approval.

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Mortgage payment

Calculate an itemized monthly payment from the values you enter.

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Affordability

Compare income, debt, housing-cost, and DTI inputs in one calculation.

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Amortization schedule

Full principal-and-interest schedule, plus extra monthly or annual payments and the interest they save.

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Investment / rental

NOI, cap rate, cash-on-cash, and DSCR from rent, vacancy, expenses, cash invested, and debt service you enter.

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Seller net proceeds

Estimate walk-away cash after the payoff, REDBO package, title, transfer taxes, and concessions you enter.

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FSBO savings

Compare a REDBO package cost you enter against a listing-side commission rate you enter. No market rate is assumed.

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Rent vs. buy

Compare modeled renter and owner costs across a horizon you set.

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Closing costs

Total the fixed and percentage-based closing-cost items you enter.

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Refinance breakeven

Compare entered loan payments and costs over whole months.

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These calculators provide informational output from the values entered. They do not select inputs, recommend terms, or save a calculation.

Real estate calculators — REDBO