You might benefit more from looking at the experiences and investing habits of high function professionals like medical professionals, professional athletes and successful business folk in other time demanding fields.  

Medical is a good example as is Real Estate ( I just leased some space to a real estate brokerage).Once you get office leased it is much nicer than MF.

Real Estate Investing is all fun and games until you need medical insurance. 

I have some medical conditions that will keep me from continuing that job long term as it is physically demanding. 

Hubby and I will continue to work for now since both of us work in a medical field and hopefully wants to retire soon with passive income.

Surviving a medical crisis is a lot like that.Read here for one of the best Grizzly survival stories.

She is also under a very watchful medical eye. 

Does anyone own or operate a medical facility (as tenant or landlord)?

You're still just a property owner, not in the medical business.

Only time we allowed tenant to laps on rent for long period was one tenant had medical emergency and was in the hospital for nearly 3 months (obviously no rent).