There are many variables on the ammount offered, what model 360 you have, the age of it, condition and the current market values as determined by GameStop that can change often.
It depend if it is gamestop they will give 30 % of regular price
up to 20$
About $10.
Under 50%, its a rip if you sell your games to gamestop.
About $120
GameStop is a business and will only take trade ins. You are not going to get them to let you have a new PS3 or even an old one for your Xbox 360 or vice verse. What thy will do is give you a trade in credit and then you buy whatever you want. They give you so little for your Xbox 360 or PS3 and then charge so much for there Pre owned consoles
Not much.
if you trade and pay the difference at a pawn/trade store like entertainmart or gamestop
Phone them and ask !
eb games or gamestop does not buy regular xbox so you will et no money for it.
Only $20 in trade
$9