Tool-first investing pages
Start with the calculator.
Finish in the app.
Quick public tools for first-pass decisions. When a deal deserves real attention, PropLurk saves the assumptions, scenarios, offer logic, PDF, and portfolio workflow.
Rental Property Calculator
Run a quick rental property estimate for NOI, cash flow, cap rate, DSCR, and cash-on-cash return before opening the full PropLurk analysis.
Open calculator →02Rental Cash Flow Calculator
Estimate rental cash flow after realistic expenses, vacancy, reserves, and debt service instead of stopping at rent minus mortgage.
Open calculator →03DSCR Calculator
Calculate debt service coverage ratio for a rental property and see whether modeled NOI supports the proposed loan payment.
Open calculator →04BRRRR Calculator
Estimate BRRRR cash left in the deal, refinance proceeds, post-refi cash flow, and DSCR before you buy the property.
Open calculator →05Fix and Flip Calculator
Estimate flip profit, maximum offer, rehab, holding costs, selling costs, and downside margin from a transparent investor model.
Open calculator →06Short-Term Rental Calculator
Estimate Airbnb and short-term rental cash flow with occupancy, nightly rate, platform fees, utilities, cleaning, and furnishing assumptions.
Open calculator →07Commercial Real Estate Calculator
Estimate commercial property NOI, cap rate, DSCR, value support, and debt risk from rent roll and operating assumptions.
Open calculator →08Wholesale Real Estate Calculator
Estimate maximum allowable offer, end-buyer price, assignment fee room, and buyer margin for real-estate wholesale deals.
Open calculator →09Maximum Offer Calculator
Work backward from value, rent, rehab, financing, and target return to estimate the maximum price you can safely offer.
Open calculator →10Cap Rate Calculator
Calculate real-estate cap rate from NOI and purchase price, then understand what the metric does and does not tell you.
Open calculator →11Cash-on-Cash Return Calculator
Calculate cash-on-cash return from annual cash flow and total cash invested, including down payment, closing costs, rehab, and reserves.
Open calculator →12Comparable Sales Calculator
Estimate a subject property's value from sold comps, condition adjustments, distance, recency, and size normalization.
Open comp calculator →