He told me about the Bigger Pockets, when I asked him for some educational material.

I actually sent in application with all completed materials about a month ago and they originally contacted me to install it last week but that was too soon with other work so rescheduled for next week.

I did see the downloadable material from the state.

And their material were different.

I believe I know who the builder of your house is...and if your house is 2 levels, and it is the builder I think...did you disclose the all hazardous materials in the house?

Basically, the title company wants to know which tradesmen you hired and whether you've paid them in full for their labor and materials.   

Now to PROVE that a seller knowingly knew a material fact and did not disclose it or hid something is a very high bar to reach in court.In the purchase and sale there is generally a section that absolves the brokers of any liability and that it is upon the buyer to investigate things and use the proper experts accordingly.Your best bet at this point might be to pay  a few hundred to a commercial litigation attorney  not to do litigation, as that is extremely expensive, but have them review your case.

Even with that, your finish materials can change dramatically from house to house.

You will hear Foremost or NREIG but neither are a builders risk as they do not cover theft nor materials on property that are not attached.

I have no idea how much things would costs right now (labor or materials).