“I ended up buying 31 old iPhone 4s for about $70 each on eBay and trading them all in to AT&T on promotion for $200. Worked out to $6200 in AT&T credits (got myself 2 iPads, a 2 new iPhones at the time, and enough of a credit on my bill I didn’t pay for cell phone service for almost 2 years).”
-rudora