I've taken the buy it new and never sell approach as an adult. I saw my parents struggle with lemons. However, I have two coworkers that flip rigs pretty frequently and so far haven't been burned and typically break even on costs between purchase and sales. So they're effectively driving for free outside of maintenance and gas. You just have to be really picky and, at least in WA, stick with Toyotas and Hondas. Sometimes people just don't do the research and post a car for less than they could get because they just want it gone. And on the selling side, there's a sucker born every minute. On that latter note, I couldn't believe how much someone paid for my '93 Toyota pickup when I sold it, I really didn't want to but we needed a larger truck for a growing family so I put an number down that was a shade below outrageous and eventually someone took me up on it.