@ChrisRamsey60 50m at 35 invested at 9% (SPY long term return) would give you ~$280M in 20 years. Probably shouldnt be that tough to get 9% return with that kind of wealth and access.
@bchesky Is it possible that hosts are able to give an option to guests to clean the house (upto a certain well-defined standard), and as a result pay a reduced cleaning fee.
Airbnb Card - where travelers can earn Airbnb points, kind of like flight miles.