That's 3 Tab level pricing.
Layover or full demo?
Removed all vapor barrier or left with 3 or more layers of old felt?
Replaced bad decking or quick patched with valley metal?
3-in-1's vs. Lead Jacks?
Bypassed chimney flashing or a cricket?
No 2×2 metal drip edge?
Flipped 3 Tab for starter?
No ridge vent?
Removed all old valley metal & installed new?
Ridge vent iimproperly placed with regards to other exhaust?
15 pound felt instead of synthetic?
"B Flues" checked for post completion alignment?
Dryer vent checked for a full clean out? (Lint)
Terminating nails sealed?
Proper skylight flashing?
A/C compressor protected from debris?
Chimney reinstalled with kickouts?
Staples or nails?
4 fasteners per shingle?
Fasteners not too high?
Fasteners all properly seated?
Any "bleeders"?
Properly aligned courses?
Courses with snapped lines?
Proper valley cutback? "Califonia Cutback" or woven?
Ice & Water for high risk areas?
Screws to hold or nails to back out for flues & apron / headwall flashing?
Replaced bad siding?
Corrected all bad "Dead Valleys"?