I would however exercise extreme due digence in your screening of tenants based on the area.

Essential items include medicines, food, and medical services.

How common is it for QSRs to actually continue to accept above market rent at end of 20 years when exercises their options?

Paul Tapia, 45, died Jan. 7 from a gunshot wound to the head, according to the King County Medical Examiner’s Office.

The chance of a bank actually calling the loan due is very unlikely if you are current on payments, but it is certainly an option that the bank could exercise and leave you in a terrible position.

I can't imagine all you need to learn both about the medical side and the business side.  

Ideally the rent from the other units covers your monthly mortgage costs, and hopefully other expenses as well, but every area and deal is different.I would then do a secondary exercise on how much money you can save each month (regular savings, saved mortgage payments, etc.) to determine how long it would be before your next down payment on an investment deal.

You could then take out a loan and gift him money each year up to $14,000 per year to cover medical expenses if needed however interest would not be deductible as it was not related to the activity. 

Here's a simple exercise (nothing new here), put their list of hardline negotiation points you can't overcome up on the screen or on the desk, then while that's up, place your contacts list right next to it and thumb through the names.

But there is more to a condo conversion that rolling a pizza cutter over the top to divide it up.It could create value, but it's not an exercise to enter into lightly.