These elements show the overall economic health of an area, which directly impacts real estate demand.

Interestingly only talked to a few health care workers  (physicians, pharmacists, RNs). 

Don't make your life more complicated than it has to be.

Most health issues with mold are in people that already have pre-existing issues (e.g. asthma) that is worsened by the presence of mold.Does the tenant see mold anywhere?

@Sean KirkThere are turnkey REI opportunities in different markets - markets in the Midwest and Southeast of the country are great - where not only are the purchase prices reasonable for most RE investors, but the homes are turnkey (new builds or completely rehabbed homes, tenant ready, systems 10 years of life remaining on them, property management teams in place) with appreciating home value AND appreciating rent.

Not so much life-threatening, but rent threatening.

But you also mention "Compare being able to write off the $370,000 today versus having to depreciate it over the life of the asset - 39 years - that’s quite a difference!"

Don't make your life more complicated than it has to be.

I remember my first Airbnb in Denver 11 years ago in my basement studio (different life).

For instance; depending on the price range of the unit, people may be buying a place to call home; or they may be buying a sense of security that is economically stabe and affordable; or they may be buying, in the case of a luxury rental, prestige and a sense of accomplishment in life.