Buy 2 Get 1 Free On Pre-Owned PS4 and XB1 games at Gamestop – Online (and possibly in store) – starting today 10/27/19

Just add 3 pre-owned PS4 or XB1 games to your cart and the discount comes off. There doesn’t seem to be a specific page for the deal at the moment though.
https://www.gamestop.com/
PS4 games (sorted low to high): https://www.gamestop.com/video-ga…/pre-owned
Xbox One games (sorted low to high): https://www.gamestop.com/video-ga…/pre-owned