First world problem. Say you buy a game, and end up not liking it. Do you keep it as an albatross in your collection, or dump it?
The answer is, you dump it. If you’ve collected for a while, you already know some games just don’t work for you. So you just bite the bullet and get rid of it. If losing a couple/few hundred bucks on it is a big deal to you, you are in the wrong hobby. You will make it back on other games that go up. There are not many hobbies where you can leave and get most of not all of your money back. Treat that loss as a consumable item and you will be fine.