Create individual listings for all of your high value cards, and a single listing for the remaining lot of “not-very-valuable” cards. This is more work and takes longer, but you’ll get the most money for your collection. Sell the high value cards one at a time, as individual listings.It’ll save you time, but you won’t get as much money for your cards. Sell the entire collection all at once, in one listing, as a “Lot”.There are a few popular ways people sell their Pokemon card collections online: Selling your Pokemon cards online can be a great way to reach a wide audience and maximize the cards resale value.