None of the above is new or earth shattering, but his marketing blitz approach and auction style open house along with gift cards for signing in, free stuff if offer is made within 48 hours etc.

The short answer is that the prices although low did not justify for a proper business model. 

For this house they would have used PVC and it was built in '89 (Ranch style.)

Is there a business model for this?

Also, I have all the info on the mobile homes Manufacturer, year, model numbers, beds, baths length, width as well as what was paid for each unit.

I personally think it's a smarter model than the big box right now, but you will get more real life training at a big box.

That is for, if necessary for us to sell our existing home and move to the number one produced, which will be the first "model home".

They require work and often have risks 3) alternative rent models such as STR, MTR, rent by room.  

There is also a prepayment structure that is equal to six months of interest (so half the rate) for about five years - this is more common for west coast DSCR lenders (sometimes called "Cali Style"Generally OK to negotiate - but with no prepayment penalty, you are likely going to have a significantly higher rate or points at close

The townhome/condo model where you rent by the room for the rooms you aren't using.