If you have an old, damaged, or unwanted car sitting in your driveway, you may be thinking about selling your car for cash. Many people in choose to sell their junk cars instead of paying for repairs. It sounds simple. Call a buyer. Get a price quote. Get paid. But before you say yes to the first offer, there are a few important things you should check.  These steps will help you get the best price, avoid hidden fees, and make the process smooth.Here are 7 important things t