Sealing can work but there is always a risk of residual evidence appearing later.If the fire was confined to the attic it will be far easier and less invasive to deal with.  

Take photos of the Comps, I assume that these Comps are also large acreage properties.That way, you have documentary evidence about the Comparables. 

Do I pass it down to him with evidence?

This post is enough evidence for them to get a court order to take it.Step 2. 

That doesn't become evident until you try and exit...... people think they will "hold forever", but most don't.... things change and you have to look at your exit plan too.

And, evidence against a collapse via mass foreclosures. 

Then we totaled our car, and despite having email evidence that I authorized adding comprehensive coverage to the car because we kept having to dip into our EF for the house (which was riddled with issues - long story), the vehicle was not covered.

Roof shows evidence of prior repairs in various places."

The seller would be completely reluctant to negotiate with you if you didn't have the professional reports as evidence of the home's condition.

any info at all that can give me a contact would be much appreciatedI have been doing some research on the deeds site and I notice they manage to dispose of some REO's in Massachusetts yet I cannot find evidence that the propertyever hit Realtor.com or a similar siteWould anybody have a guess how BNY Mellon might be disposing of REO's without using the typical Realtor.com network ?