While secondary market loan servicers do not really intervine when a problem poped up, we did, to the extent of paying off any loan or obligation or restructuring it.

It may sound nice to pay a 6% management fee but the extra fees can add up to be more than the other company that charges 10% with no additional fees.

What short term rental platforms/sites have worked well for you that I should consider posting the property on?

Medicaid will pay for each client/tenant. 

Unless you're paying cash, your monthly motgage payments are going to be so high that it will take a big hit on your Profit and ROI, right?

We used Anderson Business Advisors to help set up our entities correctly and make sure we weren't paying more in taxes due to how the entity was set up.

Even if someone is funding a project 100%, you want to know that that person has the wherewithal to pay for any unforeseen expenses.

Go conservative ) - Holding Costs (loan payment, utilities, insurance, etc) - Rehab Costs (you will have a good handle on this) - Closing Costs (you will pay closing costs on both purchase and sale of home)  - Profit (minimum you would want to take on the risk.

Ok, so does one comp for what houses have sold for recently or for what the improving real estate market will pay?

Austin has a few (check out @krisclarkk on IG) but I would go find a few of the bigger cabin or glamping sites to see who they used.