I will do the remaining 10% when they move out. 

Higher interest rate + closing costs + one added year of loan length payment > remaining principal payment + lower interest + PMI.

She said she can't sell the house because it is tied up or used as an asset to the state, for her to stay in the nursing home.

and since neither can be mine, let me then tow to pieces, while still chasing thee, though tied to thee, thou damned whale!

There is 7 years remaining on the tax abatement and it will cash flow about 300/month.

Then you can even take a HELOC for the remaining equity, if you desired.As to the 6 month holding costs, consider reading @Alexander Felice comments in this post https://www.biggerpockets.com/...

My thoughts on that are since it's part of the fitting (it's between the flange and the bottom of the bowl),  it may remain sealed or reseal itself in a scenario where once the wax gasket is deformed for whatever reason the resulting leak is permanent until you replace the wax gasket.Again, experience over time will prove it's suitability for the application.

I've heard of people using this strategy to help separate their name from being tied to all the units, but I've also heard that it looks fishy under a microscope. 

I take the remaining home and use them here.I also provide a 16oz package of spaghetti and can of sauce.

I want to be able to be involved in their lives and for us to have the ability to travel and have new experiences without being tied down to a 9-5.