Put the property on craigslist and rotate ads every couple of days so its stays fresh.

The evaporator coil must be clean of any obstacle, this way the air will flow.

Once the house was lightly staged with furniture, we put air fresheners throughout the house and listed it on the market.

A fresh, clean, Perfect paint job.

The mould has gotten into all walls down the bottom so Stripping, Cleaning and starting fresh down there is a must.

Also, what clauses outside "and/or assigns" should I make sure are absolutely in my purchase agreement & is there a way to make it air tight legally without paying an expensive fee for legal review?

Also it's hard to negotiate from a position of weakness and it sounds like your case is less than air tight.

All we did to the house was clean and paint, it already had a 4 or 5 year old gas furnace and central air.

New appliances, carpet, fresh paint.

They put a building and surrounding air rights under contract for $49M and wholesaled it to a developer for $59M.