Tools
Investor calculators & spreadsheets
Run the numbers on BRRRR deals, rehab budgets, DSCR qualification and flips. Estimates only — verify with your lender and contractors.
BRRRR calculator
Buy, Rehab, Rent, Refinance, Repeat — see how much cash stays in the deal after the cash-out refi.
All-in cost$170,000
Refi loan amount$172,500
New monthly P&I$1,206
Monthly cash flow$144
Equity after refi$57,500
Cash left in deal$2,500 back
Cash-on-cash returnInfinite
Rehab & construction cost estimator
Starting numbers are rough placeholders — replace them with your contractor bids.
Subtotal$69,000
Contingency (10%)$6,900
Total rehab budget$75,900
Cost per sq ft$54/sf
DSCR calculator
Lenders divide rent by the full monthly payment (PITIA). Most want 1.0–1.25 or higher.
Loan amount$225,000
Monthly PITIA$2,062
DSCR1.26
Strong — qualifies with most DSCR lenders.
70% rule / max offer
A quick flip screen: pay no more than a percentage of ARV minus repairs.
ARV × rule$175,000
Less rehab-$45,000
Maximum offer$130,000
Free spreadsheet templates
Opens in Excel or Google Sheets, with formulas built in.
BRRRR deal analyzer
Purchase, rehab, refi and cash flow in one sheet.
Rehab scope & budget
Line-item construction budget with bids and contingency.
Rental cash flow & DSCR
Monthly operating budget and DSCR check.