How do i remedy: No sill plate insulation,no flashing in the windows,no insulation in the attic, no insulation in some of the walls, doors that have air gap's along the door frames,no insulation in the floors, lighting fixtures or power outlet's or lighting switches,as well as the fire sprinkler fixtures? The insulation,flashing problems i did not know about until i did a complete energy audit with blower door, and thermograpic camera's. The physical with instrumentation evaluation showed all of the missing pieces in this 2300 square foot modular house. I'm in a wheelchair but phyically capable of doing the work. Are there tools out there and devices i can buy so i can start making the repairs to the builder's construction over sights without having to ask for a contractor, I just need good