I am doing estimation to home owners to insulate there home and taking care of the paper work and account collection

i am doing homes and commercial buildings inspectionl also do Mold, asbestos, argon gas inspection and sampling for labs analystduring construction of commercial buildings, I am inspecting fireproofing, fire-stopping,sprayed apply polyurethane foam, intumescent membrane,vapor-barrier and self adhesive membraneI am inspecting fire door fire damper and egress exit in resident bldg. school, hospital and hotel