Easy...............................Just Get The Money And Go Buy It
Yes you can trade a DSi for a DS Lite at Gamestop.
a poopy crapy used broken dsi at gamestop is about $200.99.
Wal-Mart & GameStop
$150.00
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
You can buy a specific SD card for the DSi at GameStop.
you can do that in your local gamestop
You can Trade a DSI in at Gamestop, they will give you credits for your DSI to buy something else, such as a 3DS.
Gamestop
GameStop
yes
$30