If you’re interested in buying or selling cards, a good place to start your search is to find a sports trading card store near you. There are many different places to find these cards, and the best one for you might be right around the corner. Here are a few suggestions: When you’re shopping for cards, think about the value of each card, and how to determine its value. If you don’t know what a particular card is worth, you can use a search engine to figure out its value.