Many people hate car dealers. Of course, there are always nice guys, but many car dealers just have to cheat their way to profits. Here are the top 5 auto scams that you absolutely must avoid, or risk paying way too much for your car.Scam 1: The Yo-Yo Financing ScamThe dealer sells you a car and allows you to take it home immediately. You finance your car through the dealer, but a few days later, the dealer calls and tells you that your financing has fallen through. You are then told to set up n.