Chemicals like Natures Miracle attempt to neutralize the smell.

I understand the process involves spraying the popcorn ceiling with a chemical then eventually scraping it off.

It's possible to refinish laminate by stripping the finish off of the surface and re-applying finish - sometimes this is done chemically, but it can also be done w/ fine mesh screen.

If the house has central HVAC, you will want to get a sub to come in and vent the ducts with special chemicals that will remove the smoke smell.

TPO roofs would be ideal as it not only resistant to UV rays, but also to ozone and chemical pressure.

You can use midwest chemicals for the chemicals, about the best.

Dry cleaners use some nasty chemicals and if any of that contaminated the ground you will be on the hook for it. 

There's also great margins on uninhabitable commercial buildings (such as those with chemical spills, fires, etc). 

I am a chemical engineer at my 9-5 and a California loan officer as well.

Standard fasteners typically corrode over time, when exposed to the chemicals infused in PT lumber, which can lead to fastener failure.That being said, the basements of old were framed using standard lumber, and typically have held up just fine!