I made a full price offer on a bank owned property, and the only thing I asked is for is a home inspection, and moisture/termite inspection at my expense.

They may, of course, subject you to collection action but that can be quelled in its tracks by gently reminding them that the FCBA allows for an award of damages plus twice the amount of any finance charges - or higher amounts (unlimited liability) if a pattern or practice of violations is established.  

You do not want duplex down without permits can cause major structural issues, you need dig down, safely cut big enough windows and foundation/walls usually need work to not let moisture in. 

Roof seems to be in its last days and causing some moisture intrusion.

To keep the moisture in, you can spray concrete sealant on it.

The presence of trees near a building can also destabilise its foundation and drains.Cracks on the walls: Variations in moisture and temperature cause frequent expansion and shrinkage of the concrete, causing cracks.

You can have a company come out to do moisture readings and saving them for your records to have confirmation the area that was impacted is no longer a hazard.

There's never a great solution to that stuff, some areas are just 'low' and the moisture is always a hard issue to deal with long term as well

The laminate has moisture damage in the middle of each floor.

You might find moisture inside the basement concrete walls for instance.