If the home hasn't foerclosed on yet then it's owned by an individual(s) or an entity.

Since they are individual units, I am not sure if they can be bundled into one loan of 5 (my guess is that one loan is more efficient than 5 individual loans), but not sure what the best loan type for this scenario would be.

Start working on your relationships with high net worth individuals.

The primary requirements are that the property is either individually listed on the historic register or is contributing within a historic district. 

Addressing the problems is like trying to put out small individual fires in a forest that is burning.

I have done research, read books, talked to a few experienced individuals, but have never done any of this myself.

Does the BiggerPockets rental agreements work for individual room rentals?  

You have to analyze time and return for your individual situation and see what works.

While I am still learning, I plan on attending local REI meet ups in the South Florida region so I can get to know like minded individuals who share the same goals in real estate investing.  

The general consensus around here is that he opportunity zones are great opportunities for super high net worth individuals looking for good safe havens but as far as your average developer, we feel there are too many other opportunities to make money.