I've used AirBnB exactly once because the alternative resort-type places were insanely expensive and it was great. (Just one room and a screened porch which were great. No kitchen but didn't want one.) One other time I was canceled well in advance for no obvious reason but wasn't a big deal.

Per another comment, if I'm in a city, I mostly look for a functional/predictable hotel. Sometimes stay in conventional B&Bs as well, which may list on AirBnB as well.