I’m not sure that it will be a huge market collapse but there are a few cracks in the foundation of this hot market.

and the financial collapse of the Great Recession, I decided to leave the toy industry.That led to a 5-year stint at as a Gourmet Food Buyer, which I enjoyed immensely, but couldn't see myself retiring from.

The first one we found it had collapsing Orangeburg pipe.

After they moved out and a new tenant had moved in, the shelf collapsed, dropping the microwave (literally) on the head of the new tenant.  

Realize that there is a chance these deals will totally collapse. 

But one good thing I like about real estate is that barring a market collapse or significant "correction", you can't be completely wiped out. 

I agree a nest egg is essential to prevent a personal "financial collapse" but when you have a 3.5% interest owner occupied loans over the last year or two, after tax deductible interest is really like 2.5%, I can't see any sense in paying that thing off quickly.I do agree with the nest egg philosophy though, don't finance to the hilt and hope things don't drop out.

., collapse) I suggest you relocate the occupants ahead of time.  

According to Burry and Michael Lewis’s The Big Short, some of the trends, institutions and events that contributed to the collapse include:Deregulation which authorized the securitization of mortgages.

If something ever happens to it(fire, collapse) it cannot be rebuilt as a two family as its grandfathered in.