I assume the lease also has costs you can charge back to remove the materials from the property as well.

Yours has generated hours of material. 

Contractor buying material more than required and using extra material in other projects?

You can complete some or all of the materials included in each course – whatever works best for you and your learning style.

- Learning Resources: Recommendations for learning materials focused on Ohio real estate?

There are other companies as well, but the other issue you will run into is companies that promote themselves as Turnkey providers when in fact they either represent other companies properties or they introduce you to actual providers for a fee.  

Do you do change orders to cheapen out on certain materials?

You then can cross reference the material cost with what they are charging you and average out what it should cost.  

Take existing material, repackage it and remove all the negative aspects, then do a hard sell over the web?

When you build from the ground up in todays market you are paying top dollar for materials, builder costs, land lots, rates, etc.Log cabins can be tough because most appraisers will only use other log cabins on an appraisal to support value.