I definitely think it would work great for your situation because then your tenants can split up the rent any way they like.This site uses an automatic withdrawal.

He would renovate and after a few years sell and split the profit with the tenants. 

This does not seem to be the situation right now, even with rock bottom Interest Rates, as no one seems to be able to save any Money for a Down Payment.

@Joe Splitrock not all 401k/IRAs are protected.

The plan was to rent out the upstairs suite and re-finance the property in 2years and pay them their full initial investment back out of the cashflow and re-fi and then split the additional profits/cashflow 50/50. 

But he must split anything over a certain dollar amount with his ex-wife.

We try to split the difference between market rent and current rent.  

Drill holes and then fill with rocks and then dirt.

It looks like they're more efficient, and with mini splits, you can also be adding air conditioning at the same time.I found a local electrician who is going to inspect the radiant heat system for me and he can advise me on how urgent it is that I upgrade.

Maybe take down a 168 unit complex and split with an investor if you manage it.