Know before you sign.
Car dealers negotiate thousands of deals a year. You negotiate one. That information gap costs everyday buyers billions of dollars annually — in marked-up interest rates, inflated add-ons, and trade-ins that go nowhere near market value.
What Sign or Walk does
You paste in your deal numbers — MSRP, money factor, residual, trade-in offer, whatever you have — and our AI grades the deal from A to F. You get a plain-English breakdown of every number, a list of red flags with specific fixes, and a word-for-word script you can use at the dealer's desk.
Why it's free
Because the people who need this most are the ones who can't afford to get it wrong. Paying $300/month for the next three years on a bad lease is a $3,600 mistake. We built this to level the playing field — no signup, no subscription, no catch.
How it works
You enter your deal details. We run them through Claude, Anthropic's AI, which is trained on how car financing actually works — lease money factors, dealer reserve markups, trade-in appraisal tactics, bundled product pricing. The AI gives you the same analysis a knowledgeable friend would give you, minus the small talk.
What it isn't
Sign or Walk is not a financial advisor, not a lawyer, and not a guarantee. It's a starting point — a way to walk into that finance office with your eyes open. The numbers it generates are estimates. Always verify with your dealer and, for big purchases, a qualified advisor.