If it hasn't been probated you will have to first track down the next of kin.

Broadly, I think a lot of people get focused on cashflow because it is easy to track, or seems easy to track at least.

Llc usually u are fine but with a scorp it can be considered a sale .find yourself a nice community bank or portfolio lender who will do business with u..u have a track record to show them

Regarding lender net worth requirements- so if you’re looking to sponsor a $20MM multifamily property, the GPs need to have a net worth of $20MM?

And or they can be landed for those that have existing business's with a ton of track record.. right now I get one to two calls a week offering unsecured loans and I know they are just in the same league as all the other dial for dollars crooks out there.

I think you are on the right track with your ideas.

I also track each property as a fixed asset, including amounts paid, closing costs, depreciation, etc so it gives a TRUE picture of a property's performance as an appreciating asset AND a cash-flow machine. 

You can do the same thing with i-bonds from TreasuryDirect if you like to have interest rates that track with inflation.  

He's pretty savvy guy and had to go round and round and round with the company to get back on track.   

You could reach out to someone beforehand but after you will have more questions to ask them and they can also talk to you about what and how you should start tracking expenses.