What is the current trade in value for xbox 360 at gamestop?

That conpletly depends on the model. A core would be about 80, a pro would be 120-140, and a elite would be 150-160. I would keep the 20GB harddrive for backup on your computer.

Hey man i called game stop and they said 15 dollars for the hard drive. and for the Xbox 360 80 dollars. for more info. call 1-212-473-6571. Hope I could Help, and good luck on selling your Xbox 360

Why am I no longer staggering your advertising an somewhat worth on a similar time as activity which includes Resident Evil 6, for a information superhighway based 4 hour campaign clone like Black Ops 2. Why did you purchase them in case you're straightforward going to commerce them in?

Check the source link.

If you hit the offers link, you can see they'll give you an extra $40 credit on hardware. So, probably quite a bit.

Sell it on an online auction site for $150 easy

probably around 100 depending on the condition