You sewer collapses?

As an added bonus; the tenant broke into the property a few days after her lease wasn’t extended, poured cement down the kitchen sink and turned the water on causing the entire floor to collapse in that section of the building.

I was there in 2007-2008 and watched my real estate investor friend's portfolios collapse one by one.

If we start implementing laws like they have in Florida after the mid-rise collapse, that will make selling even more troublesome.#4  As time goes on if you don't have a very proactive HOA board, this also creates issues. 

Also, if you wait, you can find some decent deals in down markets next time things collapse, one of our Rittenhouse condos we picked up in 2013 has appreciated 40% since then, so no complaints there.

Euro collapse.  

The market collapse after that left us upside down on the home (not even counting the thousand of dollars we put into the home from cash).  

During the housing collapse Fannie Mae lowered the amount of mortgages down to 4.  

Bought seven houses and a grocery store when I was in my early twenties with no down payments and without a clue.Just did it because nobody thought I could (and Jimmy Carter was watching his world collapse around him what with foiled rescue attempts and crashed helicopters in the news.. damn waste of good men..)Gave all them houses up getting rid of the ex wife but I got better and got the right wife this time and she saves my money instead of spending it so now we have stuff.

He took forever to finish it (18 mos) and, by then, the market had collapsed and I had to turn it into a rental.We were both supposed to go into rentals from then on because of the way the market was headed.