How much money can i get for these Games?

I have a couple of Nintendo DS games that i dont play anymore and instead of buying Pokemon Platinum I might want to trade it in or even sell them. If you would please name the prices of all these games and tell me if some of these could be traded in for Pokemon Platinum:



DS-Harry Potter and the Goblet of fire.

DS-Mario and Luigi Partners in time.

DS-ScoobyDoo Unmasked.

DS-Need For Speed Most Wanted.

DS-Pokemon Mystery Dungeon Blue Rescue Team.

DS-Nintendogs

DS-Big Brain Academy

DS-Mario Hoops 3on3

DS-New Super Mario bros.

DS-Metroid Prime Hunters.

GBA-Pokemon Ruby

GBA-Pokemon Mystery Dungeon Red Rescue Team

GBA-Pokemon Emerald

GBA-Spongebob Squarepants Movie GameHow much money can i get for these Games?
any DS game can be traded in for money at Gamestop or EB but how much they are worth is something they can only answer when you bring in the games as the trade value can change day to day....also if i am correct they are liquidating their GBA games soon so i would say if you don't want them to get rid of them now or your only option will be private sale or ebay



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goozex is a real site and is very good but i get this feeling your a kid who doesnt want to spend money, which with this site you do because you are responsible for the shipping, but he is right it is a great site i use it way more then gamestopHow much money can i get for these Games?
DUDE!!!!

okay check out Goozex.com!

Its frikin awesome they trade games BUT their system is totally awesome. You have to see what im talking about to believe it and get what i mean. Like The World Ends With You. $20 on ebay right? Well goozex uses points. And TWEWY is worth as many points as new xbox360 games.

It all has to do with supply and demand of trades at that site, the actual money value is almost absolete.

I'd appreciate it if you used my referal link right here:

http://www.goozex.com/referral.asp?idr=6鈥?/a>

because then it helps me but i dont want to scare you away and make u think im just doing it for a referal. It's a really awesome site, at least look at a few things first. And dont just glance, you might miss the opportunities