And, blue/white collar workers will always need a place to stay when traveling for business. 

AND as much as the ratio of renters to owners and blue collar workers  and whatever is good for the investor- it is also bad in that there are massive parts of town where the numbers look good and the reality isn't. 

The paint was a huge portion of adding value, it was originally painted baby blue and burnt orange.

Sufficiently sized Umbrella policy and/or anonymity via trust ownership is a more sensible option for protecting smallish portfolios IMHO.I also agree with @Gary Wright in that it would be far more advantageous financially to just move out of state, but the wife assures me I'd be moving alone :) She like many simply aren't willing to leave the ocean and the unbelievable weather.

I invest in a very blue collar city (Milwaukee, WI) and I have seen other investors’ signs around.

As a local hard money lender we’ve used all of them. admiral title is the best in Knoxville and also check out blue ridge title.

Huge space center being built, hub for SpaceX, NASA, Blue Origin.

Get ready for some BRRRR blues.

Whereas C-D class lends itself towards blue-collar families looking for affordable spacious 1400 sf 3-beds including the basements (where the rent is still above the mortgage), B-A class is often occupied by young professionals around my age (mid 20's to Early 30's) who pay up to be WHERE they want live not so concerned about WHAT they are living in, often a 500-700sf unit w/o a basement. 

Baking soda and dawn blue soap in a paste like toothpaste.