My first question to protect you and the property owner is are you licensed and insured to be able to manage someone else's property?

A well written management contract should clearly spell out what is expected of both the PMC and the owner, to PROTECT both and avoid misunderstandings.

Once a list of email contacts of interested people is formed, the marketer will want to email monthly newsletters or the like and or intermittent “offers” to convert the interested parties into customers or clients or sources. 

For instance, a customer might be doing a ground-up spec build and we might say "Lesser of 80% of cost or 70% of ARV".

A key factor to a C4D seller is how there asset is being protected, so they have assurances that value remains regardless of your performance. 

I thought the main advantage would be the ability to micro-manage your portfolio, customizing your vendor list according to each property and coordinating with a dedicated leasing agent.

He has helped some of my customers here at the bank especially my Doctors, Dentist buying some unbelievable Vacation rentals and investment properties. 

There is nothing wrong with protecting yourself from losses during and right after a pregnancy. 

I've done these deals and we have been able to renegotiate price and terms late in the deal, all while my client's EMD is fully protected either based on an inspection period or based on lack of disclosure. 

Definitely hire a real estate attorney to draft or review any seller financing agreement to protect your interests.Ask the real estate attorney how to handle the POA situation...can you talk with any of the other property owners who are short term renting out their properties to see what/if they have any issues?