It utilizes new materials and new methods for constructing the envelope of a house in a very environmentally friendly way. 

We follow the same method. 

Also, seller financing intrigues me as a good low cost acquirement method, however it seems like it may be hard to come by in this area.

I look up the houses on the assessor to see how long they have owned it or if it was something they inhareted/transfered from a trust. this way im only offering on houses that are likely owned outright so there is no minimum amount they must get in order to pay off a mortgage.This method/theory requires a high amount of offers going out to see any success. 

Not expensive touches but unique, such as an embossed crest in a fireplace mantel or in trim moldings, a brass mail drop in the front door, brick or stone mail boxes, embossed concrete as stone work, house number counter sunk in an exterior beam, these can identify your work and with a good reputation will add value as a more sought after home than the run of the mill comps.

I don't know if this method is ideal for flipping on a budget, but in my mind it improves the look by leaps and bounds.

As to structuring the deal, begin with settlements required and work backwards for the most efficient method. :)

Sweat equity included - framing, windows, siding, roofing, concrete flatwork, painting, trim, etc...Of course it was a lot of hard work building a house and working fulltime but we managed.

I hired out the plumbing, electrical, granite counters and tile but I installed cabinets, trim and lighting.

Close with the established methods in your state.