Phone them up
Yes. You can trade game boy games at game stop. You will get in store credit or cash for each game you trade in.
It depends on the games.
that varies but you can always call your local game stop to check
it really depends on the game(age,condition etc.)
Well how much does one game cost x 5 do the math
It depends on the game and how long since the game has come out.
I bought two Ps2 controllers at Game Stop for 10 bucks each!
DS games are worth nothing.
$ 400
about $2:00 dollars that depends
It all depends on the price and popularity of the PC game and how much the ds games are worth.
Minimal. They offered me 18 cents for a game I tried to sell them.