Andrey, there are standard form purchase agreements vetted by the NYS bar association that are commonly used.  

It seems as though they hold themselves to a higher standard by going through the certifications to get his endorsement.

My tenants just deposit into my bank account or they just ACH.Hmm, I'm beginning to see how all landlords stick to standard rules when it comes to these things.

In our county, we have a standard purchase contract that is generally recognized and accepted.

This allows you the ability to be flexible with your standards without waiving any requirements. 

Kitchens should be done in line with the character of the house so your standard big box kitchen is out of character.  

However, its inclusion does not result in the elimination of standard policy wording.

I would imagine a new foundation would have to be pored, sill plate installed then joist and subfloor and then walls made.

You can tile around them or you can cut standard shower panels to fit around the window and caulk the edges.

Sewer Utilities: Private Sewerage - Title 5: Buyer's Responsibility This is pretty standard language if it is an REO or Short Sale.If a Short Sale the owners should at least be able to tell you if they maintain it and how old it is and stuff.