Just because you know iPhone 2.0 is just days away, doesn't mean the guy down the street knows.

Some of the Gizmodo gang was counting on this when they decided to sell their used 8GB iPhones on eBay. Their advice is perfect for those of us itching to unload our current iPhones while making some quick cash to purchase the next iPhone.

Some quick tips:

Unlock your iPhone.

Include the original box and accessories.

Ship worldwide.

Check out all of Gizmodos tips and happy selling.