You can limit the spread of bulk dirt and debris but it's impossible to stop the fine particles from finding their way into every closet, space, and surface in the house.

Hope this helps in some fashion. 

@Kadeem Howell On the surface the deal sounds awesome.

I love to hear that you are doing things the right way as painful as it might be...karma will come back around whether its on this deal or the many more ahead of you.Typically you need to get an architect and contractor involved to address your code violations...I am sure @Prashanth Mahakali or @Samuel Pavlovcik can help you on the architect side.We are helping @Mark Ainley in a similar fashion with some code violations.

We just had a bathroom with surface mold that was tested and deemed treatable with disinfectant and paint.

You can measure the relative humidity in the air and also on surfaces like drywall.

I know the Atlantic is colder, bigger waves, etc. sand a little browner, but it sounds like an "old fashioned beach town" with a pier, and you can walk for miles on the beach which is in our top 5 "most important" qualities.

Yes, the Kitchen and bath are value add, but that's at the surface. 

There was a time no one wanted to live in Hialeah, Little Havana, what is now the Fashion District, Coconut Grove and even along Biscayne Blvd, especially in front of AA Arena.  

Based on what I was told she wants to sell for, it appears to be a great deal on the surface.