@Elliot B.I doubt a energy meter based on airflow, heat - etc - of any variety - would hold up if challenged in a court of law - 

I’m seeking advice on how to handle a challenging situation with noisy upstairs neighbors in an upscale Miami apartment community.

Quote from @Raymond Whitley: Not sure if Goosehead is in your area, but a broker like someone at this company can really help you in challenge times for insurance like this current market with so many carriers dropping out completely or raising rates on everyone. 

Real Estate should not be depreciated.Depreciation is one of the most beloved tools in real estate investing, but let’s take a moment to challenge the norm: Should real estate even qualify for depreciation?

There are DTI and underwriting challenges of course, but do the best you can in keeping loans in only ONE person's name. 

Both of these challenges can often be minimized with the right team and guidance from an experienced investor.As @Jay Hinrichs mentioned, appreciation is the main driver of wealth in real estate.

What about keeping it way it is and hiring a PM.I would either option A or option C and lean toward option C, while take tax hit etc. and others its done and do not need the mental strain

A challenge that may arise, depending on the other tenant leases, is that they are all paying above market rates and will see the new rate being marketed and will want a discount at renewal.

Texas - Cash out loans of any type are pretty challenging here in Texas.

Starting rent-free is a smart move—it’ll maximize cash flow but high purchase price and a low down payment make it challenging.