I’ll just bet couchsurfing is easier with one bag…
Social networking first significantly influenced the world of travel in 1999 with the start of Couchsurfing, a service in which members offer a spare couch — or bed, or floor space — to fellow Couchsurfers, at no charge. It spawned a social phenomenon, and today counts almost two million people in 238 countries as members. - read more at nytimes.com
And if you want more than a couch, the above story is mostly about renting (cheaply) private accommodations that are quite nice, assuming you can avoid the odd psycopath.