My wife has experience and a good amount of contacts to help us find the cash-pay clients but since Medicaid/Medicare clients are a very stable source of income (even though it is lower than cash-pay) I rather know that stability of Medicaid/Medicare is still there.

If not, how can I go about obtaining something like that or can I even obtain a soft proof of funds letter?

This is really killing my optimism for the property and even ADUs need to have primary owner living on site. 

I’m experienced with tradition single family rentals but I’m leaning towards something that could even be state sponsored or anything that could pay out a premium for my monthly rental.

You could even negotiate into the contract that if the neighbors qualify you don’t have to pay the full leasing commission If needed some cash you could always do a cash out refi and take a small amount out.

There are more carriers operating now so rates have settled, even declined. 

So if the articles and videos that you're referencing are even a few weeks old, they may be out of date.

Also, investments over $550K now qualify for a 10-year golden Visa, which is drawing even more investors to the city.In Dubai the investment process is pretty straightforward, thanks to a business-friendly environment.

We typically see 1-1.5% and in suburbs usually 2-2.5% even in Indiana if an investor its often higher tax rate then Chicago even though everyone thinks Indiana is low taxes its really just low if homeowner exemption there.

Even if the deal doesn't go through, sharing your experience and tactic will be valuable information for myself and the entire BP community.