I trade 10 of them.
No
You can trade in a Wii at Gamestop, but you can not get a PS3 for it without cash
You can trade in your games, I think.
Yes you can trade a DSi for a DS Lite at Gamestop.
GameStop
No, but you get 10% of purchases and 10% extra trade-in credit if you have one.
No there is only the Gamestop site that tells what Gamestop sells the games for
You don't get your PS2 fixed at Gamestop you trade in or donate your broken one and buy a new $100 or reconditioned one $50-60
Only $20 in trade
yes
Yes.
Under 50%, its a rip if you sell your games to gamestop.