DealPulse – Rental Cash Flow & Cap Rate Calculator

See cash flow, cap rate, cash-on-cash return and DSCR for rental properties while you browse Zillow and Redfin listings.

DealPulse helps real estate investors, landlords, and home buyers analyze rental property listings directly while browsing Zillow and Redfin. Instead of copying numbers into spreadsheets for every property, DealPulse automatically reads available listing details on the page and calculates key rental investment metrics in an interactive floating panel. KEY METRICS CALCULATED: • Monthly Net Cash Flow (after mortgage principal & interest, property taxes, home insurance, HOA fees, vacancy, maintenance, and management reserves) • Cap Rate (Capitalization Rate based on Net Operating Income) • Cash-on-Cash Return (CoC return on total initial cash invested including down payment and estimated closing costs) • DSCR (Debt Service Coverage Ratio) • 1% Rule & Break-Even Rent benchmarks INTERACTIVE WHAT-IF SCENARIO SLIDERS: • Adjust Purchase Price, Down Payment %, Interest Rate, Loan Term, and Monthly Rent Estimate in real time • Customize operating expense assumptions (Property Tax, Insurance, HOA, Vacancy %, Maintenance & CapEx %, and Property Management %) • Clearly distinguishes verified listing data from provisional estimates so you never rely on hidden defaults SAVE & COMPARE PROPERTIES: • Save analyzed properties directly to the DealPulse popup watchlist • Review side-by-side cash flow, Cap Rate, and CoC return across saved properties • Export saved property comparisons to CSV for deeper underwriting (Pro feature) PRIVACY & TRANSPARENCY: • All financial calculations run locally in your browser • Listing data and saved scenarios are stored locally using Chrome storage • Does not sell or track your browsing history