Where do you expect to receive the money to buy out your "partners" in these companies as you drive returns into the ground? 

Expected return was 15%?  

I expect a free estimate from a contrator who possibly would be doing the actual work. 

--------------------------------------------------------------------------------------Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

It might be broken intermittently, I have had that happen on a zone heating system that used little computer boards and relays.And as @James Wise said, You need to think about protecting your investment from freezing because broken pipes which can be very expensive to have remediated.Good Luck!

As well as they expect free health care . 

At our firm (tax advisory) we are offering a service to help clients with this and we expect many tax/cpa/law firms will as well. 

For example, using our example parameters, it does indeed show the monthly payment amount we expect, $632.41.

In the long term  expect RE to appreciate at a rate equal or greater than CPI.  

Anything can happen, expect the unexpected3.