Gamestop
No where, believe me I've tried to find one myself and there was none except for a N64 gameshark I saw and that was it. Try calling MadCatz for a special order because they still sell gamesharks.
on eBay or gamestop
Gamestop
Cheating devices like Gameshark and Action Replay only work for one type of console. If you are playing a GBA game on the DS Lite, you can use the Game Shark for the GBA in the GBA slot on the DS.
no
you can get gamesharks at gamestop for $34.99
30 dollars i think.
youtube
Depending on where you buy them, and where you live, ARs and Gamesharks can cost anywhere from $10-$30. Potentially more, with the newer versions costing the most.
Yes, you can buy it in Canada.
action replays differ from gamesharks in that action replays are newer and have less flaws, so your game will not freeze if u use it. I hope this was helpful.