How much should I sell my used Xbox 360 250gb slim

the system is 3 years old bought in June 2010

two used controllers a 3 month live gold edition and kinect

should i sell it on eBay, craigslist, amazon. i also have 70 games

Just curious,why are you selling your Xbox 360.

why r u selling it?

Just research on sites like eBay for how much they usually sell. Then you will get a better idea of what you can expect.