I am a realtor, investor and own a construction company located in College Station, Texas (home of Texas A&M.) 

The already-constructed home is one point on the base of the triangle, and the other plots comprise the rest.

I tried to rent one of these buildings for a developer. it was brand new construction, really well done.One after another is was voucher applicants who had criminal records, you had no idea who was actually going to be living there, some were high out of their mind and/or drunk, average credit score was 500, consistent late payments, eviction records, etc.By some miracle I rented one place out to 2 young girls looking to save some money.

With your background in the Air Force, MBA, and construction, you're in a great position to launch a real estate venture.

BUT, I am sick living in construction and would like to move to a new home and then finish fliping and sell or hold the two homes asap.

If in your shoes I think I'd call sellers bluff and put em against the wall of it via how I construct the purchase offer.

He said that typically in flip deals its around 30-40% down but if construction was included it would be about 30%. 

Cost approach A straightforward method that adds the cost of the land to the cost of building construction.

Use the land as down payment on a construction loan.

You have to get someone who is familiar with them and would want one.Here is a pic of this style of construction.