45$
If you trade it with GameStop, they may offer you approximately 5 dollars for it. Correction: They might give $7 - $10 for it...
50 dollars to sell or to trade with a game .... get a 50 $ game
As of Dec 2011, older model 15 trade in ,slim 25 Trade in.
$25 it depends if its the ps2 slim i think there give you more money than the old ps2.
Around $20.
About 40$
nothing if you don't give them something
The amount of money that GameStop will give you depends on 2 things, what type of condition of the DSI is in, and the store that you are in
maybe $20-25 in trade
up to 20$
i heard around 60 bucks