PropLurk field manual
Underwrite the property.
Understand the decision.
A growing, plain-English library for testing income, expenses, leverage, renovation, and exit assumptions before an offer becomes a problem.
Start with the strategy
Six models. Six different questions.
Rental analysis
A practical rental-property analysis using cash flow, cash-on-cash return, cap rate, the 1% rule, and DSCR.
Read the analysis guide →02BRRRR
How to connect purchase, rehab, rent, refinance, and cash left in a BRRRR deal without double-counting value.
Read the analysis guide →03Fix and flip
A disciplined flip model for purchase price, rehab, holding time, financing, selling costs, and contingency.
Read the analysis guide →04Commercial
How to evaluate units, occupancy, operating expenses, NOI, cap rate, and debt coverage for commercial deals.
Read the analysis guide →05Wholesale
Work backward from an end buyer's numbers to a maximum allowable offer and realistic assignment spread.
Read the analysis guide →06Short-term rental
Model nightly rate, occupancy, seasonality, platform fees, cleaning, utilities, and local restrictions for an STR.
Read the analysis guide →Free valuation tool
Need a defensible starting price?
Enter two or more sold properties, adjust their condition on a five-level scale, and see the complete comparable-sales ledger.
Open the comparable sales calculatorMetric library
Build the result from transparent definitions.
Start with NOI, then follow the number into cap rate, cash-on-cash return, DSCR, leverage, or a renovation exit.
- Net operating income (NOI)→
- Capitalization rate (cap rate)→
- Cash-on-cash return→
- Debt service coverage ratio (DSCR)→
- Loan-to-value ratio (LTV)→
Comparison library
Choose the metric or strategy that answers the question.
See financing, risk, operating work, and exit assumptions side by side before deciding which model fits.
- Cap rate vs. cash-on-cash return→
- NOI vs. cash flow→
- DSCR vs. debt yield→
- BRRRR vs. fix and flip→
- Long-term vs. short-term rental→
Local underwriting desk
The same formula behaves differently by city.
Taxes, insurance, physical exposure, operating rules, and repair timing belong to the parcel. These city playbooks show what to verify before the local story becomes a financial assumption.
Houston
Underwrite a Houston rental with local checks for property taxes, flood exposure, insurance, foundations, utilities, and neighborhood-level rent support.
Open the market guide →02 / TXDallas
Analyze a Dallas rental with parcel-level tax, insurance, hail, foundation, flood, utility, and rent-comparable checks before making an offer.
Open the market guide →03 / TXAustin
Build an Austin rental analysis around achievable rent, buyer-side taxes, flood and creek exposure, licensing, insurance, and downside cash flow.
Open the market guide →04 / TXSan Antonio
Underwrite a San Antonio rental using local tax, flash-flood, foundation, housing-condition, utility, insurance, and rent-comparable checks.
Open the market guide →05 / GAAtlanta
Analyze an Atlanta rental with jurisdiction, tax, rent-comparable, topography, water, tree, insurance, renovation, and vacancy checks.
Open the market guide →06 / FLTampa
Underwrite a Tampa rental with address-specific insurance, wind, flood, roof, tax, evacuation, HOA, maintenance, and rent assumptions.
Open the market guide →