For appreciation, this particular property value has doubled in the last 6 years (mind you the previous purchase was in 2012, tail end of the housing crisis). 

Yes, may be college students and those who haven't started a career may rent, but with many single family home building projects and the ease at which first time home buyers can get loan, i am just wondering renters will eventually  dwindle over time and the house owned by investors will stay vacant with loan payments due every month.Will that be the next crisis like 2008?

The only recession property values did go down was the last one - which actually started out as a housing bubble and sub-prime mortgage crisis, which turned into a recession.Landlords have done well during the housing crash, people always need a place to sleep, especially when they have lost their home to forclosure.I am not doing the same I did the last years, find value add deals on MLS, buy in good school districts, rent best-in-class homes for top dollar.

Anyone have any experiences going through any downturn (not just the housing crisis)?

The whole 2008 crisis was about lenders losing their money.

I don't have exact figures but defaults during crisis in 2008 were approximately 4% for SFH and .04% for multis, which would you prefer to own?

The second time it happened, the general area was already saturated and flooding and it was a major crisis for many people (who were in a flood plain), not just me. 

There will be another crisis, but the nature of it will be far different than in 2008.

I [diplomatically] told him to get cleaned up and I'd check back with him in a few days.

Hello, hopefully this helps. So I’m looking at myFirst multi family deal, it’s a quad plex, 4 family 1br 1ba, about 3,000 sqft. Older man owns and it needs some tlc (cleaning, drywall mud, paint, some new Windows) bu...