Airbnb

SXSW Tip No. 1: You Can Rent a Top Bunk in Austin for $17
Traveling can get expensive. But if you're not nit-picky about where you sleep, you can save a bundle by planning your stops through Airbnb. If you are all about saving that dough, I've found some Airbnb sleeping spots for $20 or less, including a couple backyards for camping or the top of…