I haven't seen anything concrete. 

That may be why you can't find one concrete answer.

Another lesson I learned was to have a more concrete scope of work to help create a more accurate budget and to add a buffer in the plan for things that come up that are unexpected.

Sorry there is not a concrete answer here that would apply across the board but I hope I made some sense with this stuff. 

Completed lots with Concrete roads, and water and sewer are costing more than $70,000 per acre in development cost, and are yielding 3 lots per acre, Combine development cost with prime land acquisition cost of $70k/acre, and your lot cost is over $45k/lot.My recommendations for you, 1.

Without having another deal in mind, it is truly impossible to concretely answer your question.

Have an expert look at it.I understand that you want to avoid setting untreated wood directly on concrete because the concrete attracts moisture that rots the wood. 

We do need to polish up on our sailing skills though, we're not quite as skilled as our friends, but we could probably get there. 

I am passionately convinced that concrete printing is the future of residential construction, especially here in the south.

The village the current deal is located in has several zoning ordinances which they claim prevent the park owner from replacing current trailers with newer, or from adding MH's to the two open concrete pads.