Yes they do, I highly recommend trading in for in-store credit rather then cash. I traded in a 500GB PS4 and received about $160-180 ISC back in Dec. 2017. You'd get more money back this way
Yes, they do buy gaming systems and games; however I would recommend posting your systems/games on Craigslist first as you will like get more for them than Gamestop will give you.
Yes
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