A free 20-minute field guide you can run on your phone before you buy the Master Toolkit. Twenty-nine checks in the order you should do them, walk-away flags, and a scorecard that tells you whether to buy, push back, or leave.

No mechanic needed. Works on any car.

• Stop-right-there walk-away flags
• Outside, engine, interior, test-drive, and paperwork checks
• Auto-filling field verdict
• Copy, print, or save your summary
• Then upgrade to the Master Toolkit for repair costs and scripts