Re:venture consulting says"The collapse is most notable in the Southwest and Mountain West areas of the country, where Airbnb revenue per listing is down 40-50% YoY.

Just a few years later, property owners were under water after the economy collapsed.

If I said "no, I'm afraid the house will collapse into a black hole" and you said "tough, I'm doing it anyways", I'm afraid I'd be at the courthouse in a theoretical minute with divorce papers in process.

If you don't live in a market that is imploding, the general trend is that the house you could buy today will be more expensive down the road.That is not taking into consideration some unforeseen market collapse like 2008.

The snowball has to keep rolling to the next group to keep it all from collapsing. 

I worked as a sub-prime mortgage broker from 2001-2009 and like many, exited the industry with the "great collapse".  

Betting against the US government is a fools game.My concern is that Bitcoin could cause a global economic collapse - if it runs too high.

Another, a back porch collapsed, killing several people. 

Other "what ifs" are a local economic collapse, natural disaster that wipes out many of your properties at once, etc.

That’s a stupid low price for a 3 unit unless it’s about to collapse.