I am here acting like a child fighting about all this petty stuff. 

If a buyer has the financial capability to handle possible temporary negative cash flow and ability to refinance in the unlikely event the note is accelerated, and the seller has the ability to do a background check on the buyer and reach an intelligent decision, then the benefits of a real property transaction without the expense, time and qualifying necessary to obtain new financing and perhaps the benefits of a lower interest rate can successfully accrue to the benefit of both parties to the transaction.If the buyer is an undercapitalized inexperienced recent “graduate” of a guru program and the seller is willing to sell to anyone, whether breathing or not, then the transaction has a high likely hood of ending in disaster.When both parties are knowledgeable and understand the risks of the transaction, nobody is “taking advantage” of anyone else.  

I guess my concern is is there any capability for vetting guests on GVR prior to confirming a reservation?

Why is Denver fighting the rent-by-room thing?

But the reality is that the majority of stable, SUCCESSFULLY self-employed entrepreneurs will do pretty much anything to own their own house, and the ones that aren't financially capable of doing so yet will understand the income-verification problem quickly.

When the money dries up, they'll abandon your property and leave you with a bill.If your property is capable of producing a greater return as a corporate rental or short-term rental, I recommend you educate yourself on how to do that and then do it yourself.

Also file a complaint with the CFPB Submit a complaint | Consumer Financial Protection Bureau (consumerfinance.gov)Regarding do you have any legal action - you can prove you do not owe it but you will not get any compensation - courts have ruled long ago the only recourse you have is actual money you lost - there is no "pain and suffering" if a statement is incorrect and you have to fight with them on it.

She saw the stairs, she knows her capabilities, let her decide if she wants to deal with them. 

This took away the LL capability to not renew lease or, my preferred method, provide large rent increase above market to get rid of less than ideal tenants.  

This deal exemplifies our capability to execute quick and lucrative flips, further solidifying our success in the real estate market.