Where to buy an iphone without a contract online?

I need a new iPhone but getting it through Verizon would cost so much since I don't have an upgrade soon. Any online sites to legitimately buy an iPhone without a contract?

EBay, bought iPhone 3 and 4. Cheap. Soon I'm going to buy 5

Iphone without a contract
Source(s):
http://www.amazon.com/...=yhs001-20

You can buy without a contract in amazon.