Could be a new roof, HVAC system, or new kitchen along the way (all of which could certainly add equity to the home irrespective of the year it was built).  

These tools use the same technology that hotels rely on to maximize rates.Keyless Entry for Smooth Check-Ins: Keyless entry systems give guests a unique code that expires after checkout.

How about internet?

It's worth reaching out to Corporate Housing Groups (most HR Departments at large employers have this division as well as Relocation Companies that you can find via an internet search) to offer your property as a 30-day furnished rental.

There is so much to learn with strategy, tax advantages, cashflow, and systems.

Nothing more needs to be done.Some MLS systems require the signed withdrawal or you can get fined as an agent.The MLS where he is talking about has zero power over this.He is using a form of the association of which Im the President-Elect.

If not they may require larger lots to separate wells from sewer septic system. 

We audit several different areas a couple of times a year but we have a pretty tight system in place.

You can 100% create simple systems with free technologies and run your unit efficiently. 

Start learning with books, podcasts, courses, networking, building a support system, and preparing for financing.