I’ve never bought a used kart that didn’t need allot of work to bring it up to aircraft standards. It’s not that people are scammers they’re just not the best mechanics. Get pics of the bottom. If the frame rails are good everything else can be fixed.
FAA certified jet engine and aircraft technician,
Nicholson Speedway class champion 2001,
Yamaha KT100 Service Center,
41 years karting experience