As a good son, I would spot check the property managers' projections by doing my own research on VRBO/Airbnb/AirDNA to see what I think similar rentals are doing. 

This doesn’t change with your borrower’s LLC.

Quote from @Garrett Brown: @Gabe Chase haha we are just the Spiderman meme now at this point!

I would have a CRE attorney help me write something into the lease about abandonment. 

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.

Yes, it's easy to ask you these questions after the fact, but you won't succeed unless you carefully review your mistakes and learn from them.Not sure I agree with your statement, "RTR knew they’d messed up".

Quote from @Corey Gelineau: The inspection contingency is used to legally back out of a contract due to the property being in an unacceptable condition upon inspecting the property.

I would look into whether you really need a multi-member LLC at this point. 

If you do take on new debt or collections during this time, the lender will see and it will require that it be accounted for in your DTI (unless this is a DSCR loan). 

From my point of view for event guest screening and security deposits, Superhog is reliable and integrates well for STRs and events, but you might need to adjust its setup for your use case.