You can buy bombs & spray.The bagged furniture can be sprayed (pull off all the cushions & get the underside, too), sealed back up & left to "cook". 

Finally, I'd plant some very nice hedges to screen the underside of the upper deck.

Or the underside of your house?

Another trick if you use rolled formica countertops is to completely varnish the undersides and edges of the sink cut-out in case any water infiltrates the sink rim etc.Pergo type products are garbage when they get wet.

If anything to fill the gaps, backing can be placed on the underside of the sheathing via the attic and then strips of existing material ie CDX, OSB, 1x6 ect. can be ripped to place and installed.What type of shingles are existing on the roof? 

Sure enough, He did not install the back splash as high as I asked him to (it was supposed to go right up to the under side of the shelves) and he somehow managed to install two different size brackets so the shelf on the right of the vent hood is shorter than the one on the left.

Some installers like to staple the underside of the bullnose with the foam pad.

Unless the ceilings are down and you can see the underside of the roof deck there is no way of knowing whether there will be any bad wood or not.

He did say they always have multiple people interested right away at the $650 - $700 range since it's at the low end of market rates for a two bedroom.If the seller does not agree to fix the major, expensive repairs, we will definitely have a contractor in for accurate estimates before we decide whether to move forward or not.The termite issue was found during a termite inspection, but since the house is older it sits very low to the ground and much of the underside of the house cannot be seen.

This is why the carpet felt wet to the touch and caused the carpet and under side of the rug to mold.