But as stated we pay 25 to 30k for a lumber pac and trusses for a 2k sq ft home add in another 15k for framing.. we are at 35k right there before grading utsl concrete mechanicals windows roofs cabinets flooring etc etc.. so I know its all regional.in Charleston we built in the Historic district and that 2600 sq foot house cost us 750k to build.. using the materials that were dictated by the city.. it sold though for 2.2 mil.. so its all relative.. right ?  

If they rely on any other method...such as maintenance (marking up materials, labor, etc.), turnover costs, other excessive fees, or other methods to make their money, it will not turn out well for me.

And we install them, ballpark in our neck of the woods - $500 per opening, labor and material.

Probably 30-40 troops with heavy material handling equipment. 

For example, during move out, if you were to have to clean/do yard maintenance yourself, would you charge an hourly rate for your time, or only charge for materials/parts?

It does Not cover a roof simply wearing out from age, felt/materials coming apart, etc. 

@Clarence JohnsonBuild dot comWayfairAmazon We have a commercial account with HD and buy some selections through them, but theiroptions are usually blahBasic building materials we get through HD and BMC

Is this a type of fix I can do myself with basic Home Depot materials or should I bring in a handyman?

You used to be able to lay additional layers of materials on top of the membrane, but Denver code now prevents that. 

Repairs made on existing assets that materially extend the life of the asset.