There's always room for improvement. You could have said the same about craiglists -- what's the need of airbnb, craigslist/couchsurf.com etc. already exists.

There's always room for improvement. You could have said the same about craiglists -- what's the need of airbnb, craigslist/couchsurf.com etc. already exists. I think grandparent post has a good point, I'm also one of the people looking for something cheaper, and most airbnb's are often out of my price range.