There's a reason the NFL has the Ticket Exchange as their official ticket service for fan to fan transactions. If you think for one second that something is too good to be true or even have a remote doubt about a deal - DON'T TAKE IT!
A couple from San Francisco, hoping to see their team play this Sunday in New Orleans, found a set of 4 tickets to the big game on Craigslist. The price? $5,900 - About double the face value of the tickets.