He said that the insurance company gave him a discount because the materials are less susceptible to fire than common materials used like asphalt shingles and stucco.  

It's an A-framed garage with shingles roof, gutters, windows, and a 32" exterior door (in addition to a 16' operating face door). 

Licensed with permits ~$3,250.HWT standard gas single family low efficiency without exhaust retrofit $900.Sand and stain hardwood floors, natural stain $3 per sf.Paint interior walls, ceiling trim and doors 3 tone paint scheme 2 coats $3.20 per sf (floor area cost includes paint)Click lock LVT flooring install overlay inclusive of prep and quarter round $4.50 per sf (materials and labor)Asphalt roof installation 3/1 - 800 sf bungalow with 2 layers of shingles - ~$7,900Standard porch cap replacement with 2 new precast concrete steps ~$2,500Used stove or refrigerator delivery and install $350New stove or refrigerator delivery and install $HD model specificUse this as a general guideline. 

In my area you have to strip the roof shingles at a minimum . 

You buy it and now go to look at your beachfront and see a dumpsite of shingles or tires, that will cost you more than the lot is worth to clear out and maybe have the EPA just waiting for someone like you to jump on with fines for the cleanup. 

No doubt; both of my neighbors at my vacation house got "free" roofs from guys who roam around after any storm and document that whatever storm damaged their roof - despite the fact they both had 15+ year old 3 tab asphalt shingles in the central Florida sun. 

You also need a detailed explanation of each cost item to solidify a clear scope of work for that specific task.Experienced general contractors provide computerized plans to show the current existing conditions and the proposed final floor plan.

Quote from @Stephen Smith: Quote from @Jay Hinrichs: Quote from @Stephen Smith: Separately, a local roofing contractor was recently caught installing shingles on a BTC property in Cape Coral.  

Covered over by the tar paper and shingles.

And the GAF shingles comes with 25yr warranty.