I give valve 30% because steam will occasionally get me a good game for $4.99 but for some reason, the GameStop (read all other online and physical retailers) s

I give valve 30% because steam will occasionally get me a good game for $4.99 but for some reason, the GameStop (read all other online and physical retailers) store near my house wouldn’t sell me a pre owned copy of a 5 year old game for anything less than $20.