Go to an affordable college and take a subject you can actually get a job in (high tech, medical field, business) or don't go at all.

So Steve  the few properties that I have seen this on so far are meet the first description you provided ex, One of the properties is fully leased out as a rehab facility, the tenant covers everything. the current owner appears to sit back and collect a check monthly  with very minimal management or work at all.The properties that I am coming across the are this way are very much updated.

If its a business you can give him notice that he can not have a business operating in your residential house.You also might ask him about his own medical insurance or ask him to get medical and liability insurance to protect himself.

As a result of our success, my wife recently quit her job in medical sales and went full-time into real estate.  

I work on the healthcare brokerage team for JLL - we're a Fortunate 500 company offering commercial brokerage, management services, facilities, strategy, capital markets and so much more than I can feasibly list.My director and I specialize in physician and medical tenant representation, healthcare system real estate analytics, and general medical real estate consulting in Ohio but we also work across the Great Lakes Region.

What do MF operators use for on-site laundromat facilities?

So if you sell it on 3/28/19....no gain exclusion unless you meet one of the IRS exceptions (being forced to move for medical, job relocation ect). 

In at least one rural Idaho County, Butte County, their policy is that tenant’s items cannot leave their county and since there is no licensed and bonded storage facility, a landlord has to pay for a lockable pod to be transported into the county by a moving company!

If you do not have a workers compensation policy, the employer is liable for lost earnings and medical bills. 

I'm in a county jurisdiction that uses the IRC (International Residential Code).But we also have two RV's, a Tiny Home and a detached Studio that will eventually each draw unwanted attention and require either a license as a storage facility or permitting as a campground.