Ledger & Key: Airbnb & Real Estate Underwriting Pro

Airbnb ROI Calculator ProKnow if the deal works before you make the offer.Stop guessing with spreadsheets that break every time you tweak a number. This is a self-contained investment calculator built specifically for short-term rental buyers — plug in a listing's numbers and every metric a lender, partner, or spreadsheet would ask for updates instantly.What it doesEnter purchase price, financing terms, nightly rates, occupancy, and expenses — the calculator instantly computes: Monthly & annual cash flow Cap rate, Cash-on-Cash return, Gross ROI, Net ROI NOI (Net Operating Income) Break-even occupancy Average Daily Rate (ADR) & Revenue per Available Night A 0–100 Investment Score with a live gauge (Poor / Fair / Good / Excellent) No "Calculate" button. No waiting. Change any field and every number updates live.Built for real decision-making 3 live charts — revenue vs. expenses, 12-month cash flow projection, expense breakdown Dark mode & light mode 5 currencies — USD, EUR, GBP, CAD, AUD Export to PDF for lenders or partners, export to CSV, or print a clean report Auto-saves every input in your browser — close the tab, come back later, everything's still there Works 100% offline — one HTML file, no sign-up, no account, no server, your numbers never leave your computer Who it's forShort-term rental investors, real estate agents evaluating STR listings for clients, Airbnb hosts underwriting their next property, and anyone tired of free web calculators that require an address lookup and a login just to see basic math.How to use itDownload the single HTML file, open it in any browser (Chrome, Safari, Edge, Firefox). That's it — no installation, no dependencies.Disclaimer: This tool provides estimates based on the numbers you enter. It is not a professional appraisal, market analysis, or financial/investment advice, and it does not verify local market rates, regulations, or actual property performance. Always consult a licensed real estate professional, financial advisor, or appraiser before making a purchase decision.File included: 1 HTML file (works on Mac, Windows, and mobile browsers)Updates: Free updates for lifeSupport: Message me with any questions

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