And to address your question of buying the LLC versus buying the property itself...My interpretation is that if you buy the company which owns the building instead of the building itself, there is no sale of the building for which the county to base any revaluation upon.

How old is the roof, major system:, hvac, electrical, hot water heaters?

My point is use a software program to collect email address, just get there permission to opted them into the system.

However, FinCEN is modernizing its SAR filing system and intends to establish a uniform electronic form for use by all financial institutions with a SAR filing obligation.

They have a good system for seller and buyer to communicate and also provide escrow service and collateral review/verification.

Im asking for a little help on butting a system together.

Has anyone ever challenged this system or have an attorney you can refer me to help with something specific like this?  

Zillow no longer gets a direct feed from most MLS systems, therefore their information isn't real time.

I have 25 years of tax, HR, accounting and systems project management experience in Fortune 250 companies from my previous career.  

You need good systems and a good process that you execute on consistently.