Observed arrival · 2026-09-28
RE Underwrite Lab’s fix-and-flip calculator
A property-investment calculator estimates a flip’s profit, maximum offer, and letter grade from purchase price, repair budget, and after-repair value.
- For
- House flippers evaluating purchase offers
- Worth noticing
- Its sample defaults assume a five-month hold and 90% hard-money financing at 12%, plus two loan points.
Field notes
The example deal shows $300,000 purchase, $45,000 repairs, and $450,000 after-repair value, with a displayed estimated profit of $62,840. The page says the exported PDF includes deal details and profit by month; it identifies 418 Cedar Lane in the sample report as fictional and explicitly says it is not a listing. The site identifies Sean Gribbons as its creator and describes his contracting and Colorado real-estate background.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue