My wife and I both had solid professional careers in aerospace, and I wanted a different asset-class to park some of our money than just the stock marketIt is a very imperfect market compared to equities, so you can find discounted investment dealsAfter-tax cashflow can be amazing with the depreciation deductionIt afforded me the wonderful opportunity to retire comfortably at 55 (in 2021) when my employer decided being woke was more important than I could stomach. 

Migrant farm workers are employed all over the country as are unskilled laborers, construction workers, landscapers, etc.  

Well employed tenants too.  

Embezzlement of property received by virtue of office or employment says explicitly "...or (ii) are closing funds as defined in G.S. 45A-3, which shall have come into his possession or under his care, shall be guilty of a felony."

As @Troy S. stated, there are tons of uses you could potentially employ.

Especially in today's markets with renters not being able to afford rent and air bnb booking contracting from nearly 600,000 booking a week in the US, to roughly 100,000 as the current pandemic weighs on travel and employment.

People who are employed in a reasonably recession-proof job, such as health care, government or education, should consider increasing their portfolio size, particularly through their retirement plans, like a Self-Directed IRA.

Colleges to take advantage of student housing, Amazon, Lbrands, express, chase, nationwide the list goes on of major employers in the area.

I am self employed and the income reported on the taxes does not allow me to qualify for a conventional financing.

We also bought another one in August of this year that we will be moving out of in March and it will become our 3rd vacation rental.So I use QuickBooks self-employed to track my first rental and I have a bank account dedicated only to that property.