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.

Ideally, if you could at least get their email address in the call you could then send them marketing material, etc. 

I have a specific estimate of how much materials and labor would be to complete the home AND OF COURSE, the market value. 

As someone who is certified in mold remediation and used to be in the business, there is a lot of misinformation here.Stop the source of water and remove and replace porous materials safely.