Websure ways to spot a scammer. Scammers say and do things that can tell us they’re lying — and they’re not who they pretend to be. Of course, to hear or see those clues, we have. Webhere are 14 red flags that any scam awareness training should cover: Buyer’s willingness to pay full price without haggling and pay shipping and other costs. Webcommon used car scams include curbstoning, title washing, odometer rollbacks, vin cloning and lowballing. While some scammers' efforts may be obvious,.