The 60-second rental verdict.

Scouting formSFH · RENTAL

Purchase price

$

Monthly rent

$

Not sure? Estimate from Studio1 BR2 BR3 BR4 BR Estimate rent

Down payment

%

Interest rate

%

Loan term years

Property taxes per year

$

Insurance per year

$

Operating expenses vacancy, mgmt, maint, capex

%

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Your dealSFH · RENTAL

The Rookie

QUICK READ · GUT CHECK

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Cap rate

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Cash/cash

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Cash flow/mo

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DSCR

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1% rule

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GRM

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What the card is telling you

Cap rateReturn if you paid all cash. Higher is better.

Cash-on-cashYearly return on the actual cash you put in.

Cash flowWhat hits your pocket after mortgage and bills.

DSCRIncome vs. mortgage. Lenders like 1.20 and up.

1% ruleRent ÷ price. Quick gut check, aim for 1%+.

GRMPrice ÷ yearly rent. Lower means cheaper.

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Deal Boi is an educational and informational analysis tool only. It is not financial, investment, tax, legal, accounting, or real-estate brokerage advice, and nothing on this site is a recommendation, solicitation, or offer to buy or sell any property, security, or financial product. All figures, rent estimates (including HUD-derived and other third-party data), and projections are illustrative estimates based on the inputs and assumptions you provide; they are not appraisals and are not guarantees of rent, value, financing terms, cash flow, returns, or future performance, and your actual results will differ. Deal Boi makes no representation or warranty as to the accuracy, completeness, or timeliness of any output or third-party data and assumes no liability for decisions made using it. You are solely responsible for your own due diligence. Always consult qualified, licensed professionals (a financial advisor, CPA, attorney, lender, and real-estate agent) before making any investment or purchase decision. Use at your own risk.