I don't know the legalities of this, but a seller long as the seller knows what isn't happening and the deal is a good deal, me as the potential end buyer is really only concerned with the numbers.

The new 200 unit building and the decrease in enrollment would be two major concerns. 

I can easily search company names in my state on the Florida Division of Corporations website and find out who created the entity, their address, the date they created, whether it is active or inactive, etc.

He never had an inspection but said there are some foundation issues he’s concerned about.Okay that’s understandable.

They may not question it as much.To answer your other question, if you refinance and the loan is no longer owner occupied, the terms will usually be less favorable.My biggest concern is that you're looking to buy a 4 to 6 unit.

You should look up a tax bill by address to get a more complete picture.

Just keep mailing him at all known addresses every few weeks.

That is frankly my biggest concern.

We have not taken their EIN number  but we have there address and invoice.

(I've gotten around it by setting up mail forwarding from that address, which has so far successfully caught one out of three postcards)#3 - Once again, how do the major players do it?