Does this signal that they know something we do not know, and are trying to dump everything now

My recommendation is to stick with someone local, as it is very difficult to find and retain good cleaners, maintenance personnel, etc. 

You retain so much more, and you get the real life experience of the instructor who will go off book sometimes. 

Depending on the situation, the landlord may or may not want to retain the tenant.

I'm among the world's leading experts on retaining the most world class, lousiest, unknowledgeable, blow-hard, attorney's you will meet, @Corey Dutton.In fact, I've written here previously how we found the worst real estate attorney on the face of the Earth when we first started lending.

This is assuming that it does retain its STR designation, i.e.

Regular maintenance, upgrades, and amenities improvements can help retain tenants and attract new ones.

You should consult and retain the services of a local attorney if you would like to obtain specific advice regarding your specific situation.

Should we form a new LLC that purchases the homes and retains all of the profits while only reimbursing his GC company for actual costs incurred?

We also were not able to text or call from there, even with added services from Verizon as the signals are not that good.