How does a car trade in work?

(iSeeCars) - You’re about to start the car buying process. Which likely means you’re asking yourself that eternal question: What should I do with my used car? Sell it, or trade it in?There are advantages to both. If you have an exceptionally clean vehicle that has well over the normal number of miles on it, you may do better trying to sell the car yourself, as high mileage works against trade-in value at a dealership. Conversely, if your current car is on the junky side, you might fi