Built by an Investor, for Investors
DealBeast exists because analyzing deals manually takes too long — and slow analysis means missed deals.
Max B.
Founder & Developer — DealBeast
Real estate investor · Software engineer
I've been investing in real estate for years and ran into the same wall every time I looked at a new deal: opening five tabs — Zillow, county records, a spreadsheet, Redfin for comps, and usually some scribbles on paper — just to figure out if a property was even worth pursuing. By the time I was done, either the deal was gone or I'd already spent 90 minutes on something that didn't pencil out.
I'm also a software engineer, so I started asking: why can't this be 30 seconds instead of 90 minutes? That question became DealBeast.
The first version was a spreadsheet I built for myself. Then a few wholesaling friends wanted it. Then it became an app. Today DealBeast handles ARV calculation with real comps, MAO auto-calculation, cash flow and DSCR analysis, LOI generation, and more — all from a single address input.
Every feature on DealBeast came from a real frustration I ran into as an investor. The ARV calculator came from pulling comps by hand. The MAO calculator came from forgetting to factor in carrying costs. The Section 8 FMR data came from a rental I almost over-underwrote because I assumed market rent in a subsidized-heavy neighborhood.
The goal is appraisal-level trust, with the speed of a back-of-the-envelope calculation. If you're an investor, wholesaler, or agent who works with investors, DealBeast was built for you.
How DealBeast Calculates Numbers
ARV
We pull recently sold comparable properties within your target geography, apply time and size adjustments, filter statistical outliers using IQR analysis, and return a weighted average. The methodology is similar to what licensed appraisers use — we just automate it.
MAO (Maximum Allowable Offer)
MAO = ARV × 70% − Estimated Repairs. The 70% rule is the industry standard for wholesale deals. DealBeast calculates this automatically from the ARV and our age-based rehab cost estimates ($15–$40/sqft depending on property age and condition).
DSCR
DSCR = Annual NOI / Annual Debt Service. We calculate NOI from the Zillow rent estimate (or the 1% rule as a fallback), deducting 5% vacancy and 35% operating expenses — the standard lender approach. Use our free DSCR calculator if you want to run the numbers yourself.
Cap Rate & Cash Flow
Cap Rate = NOI / Total Investment. Cash Flow = Monthly Rent − 30% Expenses. These are standard industry calculations — nothing proprietary. What DealBeast adds is real-time data instead of manual lookups.
Disclaimer: DealBeast provides estimates for investment analysis purposes. ARV, rent, and cash flow figures are data-driven approximations and should be verified with a licensed appraiser, agent, or lender before submitting offers or securing financing.
Free Tools
Everything below is free — no account required. These calculators cover the core math every real estate investor needs.
Frequently Asked Questions
What is DealBeast?
DealBeast is an AI-powered real estate deal analysis platform. You paste a property address and it returns ARV, MAO, cash flow, cap rate, DSCR, and a deal grade in under 30 seconds — replacing the manual work of pulling comps across Zillow, county records, and spreadsheets.
Who is DealBeast for?
DealBeast is built for wholesalers, fix-and-flip investors, buy-and-hold investors, and investor-friendly real estate agents who need fast, credible numbers to make or support offers.
How does DealBeast calculate ARV?
DealBeast pulls recently sold comparable properties in your target area, applies time and size adjustments, removes statistical outliers with IQR analysis, and returns a weighted average — a methodology similar to what licensed appraisers use, automated.
Is DealBeast free?
DealBeast offers a free tier with a limited number of analyses per day plus free standalone calculators that require no account. Paid plans start around $29.99/month for unlimited analysis.
Who built DealBeast?
DealBeast was built by Max B., a real estate investor and software engineer who created it to automate the deal analysis he was doing by hand on his own investments.
Try the AI Deal Analyzer
Paste any address and get ARV, MAO, cash flow, cap rate, and deal grade in under 30 seconds. Free to start — no credit card required.
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