If the foam is deteriorated you could cut away the expanding foam as best you can and get another can of it and refill the gap, then when it's dry cut away excess.

Is dry and comfortable.

I'm looking to get in contact with a contracter for a job here in Indianapolis who specializes in roofing, dry wall, flooring, and kitchen/bathroom renovations.

If I remember right they would scrub the walls with dry sponges, replacing frequently, until the smoke coating came off enough to prime and paint.

The key is DO NOT soak the dry wall until soft.

Yes NoAny rotting wood issues with decks?

The home inspector (highly rated) did not seem to think it was a major concern and seemed to think it may have been a poor job or was done in the summer and dried to quickly.

If there is a dirt floor in the basement, be aware that the excess moisture can rot out the floor from the underside and can be more prone to pest infestation from burrowing. 

It comes in waves and droughts so keep your powder dry.   

We will build an 8 unit complex with covered parking and potentially a value add by building a side building with coin operated washer and dryer accompanied by a vending machine that's loaded with materials related to washing/drying clothes.