They claim to charge in the "high 4 figures" - one web source says it's $4800 - to join their group and get access to their network and resources.  

That 2nd floor unit I would like to divided into 2 apartments.

Major cities where STRs have only began rising up and gaining public spotlight with the rise of AirBNB are more likely to have more shifting and less stable regulatory environments since those areas are still in the process of trying to find the balance for STRs within their markets. 

Is it better to diversify your portfolio in one geography, tenant base, style of property (SFH, Multifamily, Apartment).

I currently own a 2 Bedroom / 2 Bathroom Apartment.

The market here offers a lot of potential.I highly recommend making a trip here to get a feel for the different neighborhoods and understand where the best opportunities lie.

@Jason Baker I attended the University of North Texas in Denton, Tx shortly after high school.

Not sure about delusional but it's not unusual for us to have to do a genuine drain & fill several times a month during high seasons if we've rented to large groups with kids.

I would say 225k around average to stay out of high risk zones.

There are two small beams about 2 inches apart at the top and another two at the bottom.