Buying a used car may not be as easy as you thought it would be but you could make it simpler. Be a prepared educated buyer. Run a VIN check and gather all the information you need to know about the used car to avoid auto-sales related crimes. When you're armed with the pertinent information, car-shopping can be stress-free. You will be surprised as you reflect on your experience to find that used-car shopping wasn't worth worrying about after all.