But, many times the "50/50 split where one partner provides the cash and the other provides knowledge or sweat equity" really doesn't make sense.The concept is that investors make money off their capital or credit servicability. 

A good way to use the STR concept.

The concept is that investors make money off their capital or credit servicability.

This will be my first development and I am looking at a first concept plan for 50 lots.

@Greg LyonsIt sounds like the concept that’s commonly referred to as “Velocity Banking’…if you do an internet search of that term, there is a lot of material (both in favor and opposed to the strategy).  

Not sure if the family is open to the shared wall concept  

I understand the concept but very rarely does this occur.

I've read that the BRRRR method would help boost the Long Term Rental concept allowing me to acquire more homes and utilize my money better.

The ideas and concepts are still the same, and I can provide the specific data to your location if you'd like. 

From Nolo: "The state of Virginia generally still goes by the old English common-law concept of "caveat emptor" ("let the buyer beware").