Gamestop skaming ?

Question

I want to sell some of my games at gamestop but my brother has gone before and he didnt really get a lot of money for them, but i have see their comercialas that says that more that more that 150 games are $15 dollars or more and i have some games that arnet old and i dont want to sell my games to just get less that half of what i payed for so i dont know i will leave a list of games that i want to sell and if you can help me by telling me if you knoe how much there worth or any other informiation that could help me thanks!!!

1. The Legend of Zelda: Phantom Hourglass

2. Professor Layton & The Curious Village

3. Pokemon Mystery Dungeon: Explorers of Time

4. Pokemon Diamond

i want to get Harvest Moon: Island of Happiness

I am a big Harvest Moon fan!

Answer 1

GS offered me $0.25 for Madden 07 because 08 was about to be released. Enough said.