cell phone for trade

this is an awesome story:

"A teenager from Glendora managed to barter an old cell phone all the way up to a Porsche making trades on Craigslist.

Steven Ortiz, 17, started making trades two years ago on the advertising website.

A few trades later, he had an iPod. Then came dirt bikes, a truck, some cars, a sports utility vehicle and finally a 2000 Porsche."