So, the first question they usually ask a PMC is about fees - instead of asking about services and HOW those services are executed.EXAMPLE: PMC states they will handle tenant screening – what does that specifically mean?

As for Alfonso, the website is one of the most UNdescriptive scammy sites I've ever seen. 

If you share the city & state where the property is, I’d be happy to connect you with someone specific.

How can we prove that any damage is caused by this specific tenant, given multiple residents in the property?

This could be just specific to the real estate industry, but in both recruiting and cybersecurity consultants (hackers for hire), the ones that start their own business/consultancy, are the ones who after spending 2 years (usually exactly 2 years which is when recruiters will message them), the high performer will either 1.

Quote from @Monish Anand: Start by looking for personal recommendations from investors in that market, then look on realtor.com or a google search.DO NOT use agents suggested by a website like realtor, Zillow, etc.

You need to know the septic system rules for the area and that lot specifically. 

Have proof on hand (easy enough to find) online of the missed tax payments and any documentation that supports that he specifically didn't pay his taxes.Probably a simply mistake on his part, but now if he wants to develop on it, he either has to land lease it from you or buy it back.I'm not sure how the whole tax deed thing works, so that would be something you have to figure out between the two of you.

Rent control laws are market specific.

To find the best community bank, I would post in a local facebook group and ask which are the best local lenders to work with and ask for a specific contact.