The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

I got an attorney at the title company to write a letter, and the daughter to consistently keep pushing the mortgage company. 

Maybe you do nothing if it is clean and functional.  

Why don't you use a bit different model where your potential clients can pay perhaps $250 (or a bit more if reasonable but no more than $500) for an hour meeting to talk to a real CPA who has been trained by you and determine whether or not they can save me money on taxes such as capital gains or ordinary income or passive income by forming structures that makes sense for using up various deductions and write-offs to the fullest extent to off-set the various sources of income and let them show me how they can eliminate my taxes down to minimal to zero in that quick session, it is like a preview session to what is possible given my actual data. 

I am considering buying my second turnkey from them when I'm ready to do this again early Spring 2020.I've documented the rest of my experience on my blog and will write a more thorough review of the company when I can.Feel free to reach out to me with any questions!

If you are truly just writing a funding check, and collecting a check at the end, most likely you'll be considered Passive.

Write down a recollection of conversations.

Cash Flow and Depreciation Write Off Lessons learned?

That should be enough to get Airbnb going again, then if you want to sell it - sell it to a proper investor (versus those pulling out and wasting time, i.e. many wholesalers) as a permitted and functioning Airbnb.

The ones I dealt with usually just tell me to call when I was done as they didn't want to write up all the issues that I was going to address anyways.