I know that’s not the typical response for an investor, but I do things a little out of the box, and it has provided me well so far.

The first step would be to get a good grasp on what it will cost to provide him with the care he needs now - and for the remainder of his life. 

It is completely free, there will be food provided, and multiple industry partners coming to talk and bring information.

Am I unknowingly taking on extra liability by providing a security system?

Do they offer company stock, and provide passive revenue share income which is willable to your heirs?

I was thinking if 3 of us shared one, it would cut down costs and provide each of us that additional support we may need to juggle all of our tasks. 

They gave their date as sept1.

They should be able to provide you with the most accurate information regarding property tax rates for the specific property you're interested in.

I have been attracted to this area of MI since I started exploring real estate and it seemed to provide an opportunity for us to get in the game with out of state rentals without spending a ton of coin.

A common source of Subject To deals is people in distress (foreclosure) who have a pending sale date.