The other downside is that many of the people selling non-current iPhones use U.S. addresses but are actually based in China. They create an eBay identity, run up a nice positive rating selling something innocuous, and then start selling reworked iPhones as new, and for unrealistically low prices, and do nice business. I ran across one seller who was touting his own one year warrantee on a phone that is still supported, and, therefore, theoretically, anyhow, covered by Apple's warrantee.
Many of those same people also sell through Amazon as well, but at least with Amazon returns are easy and refunds immediate (at least that has been my experience).
