GameStop has made another considerable move to get into the Card Collectible space (Sports and TCG). Today they announced they are partnering with PSA to provide grading services at its locations. Here is the breakdown:

How to Grade
Step 1: Drop of your cards at a participating GameStop location
Step 2: PSA authenticates and grades cards
Step 3: Collect/Sell/Trade

Pricing
TCG: $15.99 / card (up to $200 in value)
Other Cards: $19.99 / card (up to $500 in value)
* Higher value cards will be subjected to higher fees

For more info - link below

https://www.gamestop.com/card-grading-service