A 3rd party knowing that person's name, dob, ssn, where they live (not just what they say, but also their address according to tax returns, photo ID, paystubs, bank statements, etc), what their contact info is, who their spouse is if married, what other associates they might have as revealed  by joint bank accounts, what AKA names appear on their credit report, what OTHER addresses might show up on said credit report (often family members), car loan numbers that can be used to identify model/make/license plate of car to look out for, and so on.

My husband, Marc and I are buyers in a situation where the appraisal came in at our exact offer amount after the appraiser said he could not do the appraisal without seeing our purchase agreement which reveals all of our contingencies etc. including our offer.

@Amit Friedlander Cuyahoga Falls is a very common area for rentals, due to the size of the town and the variety of housing types/values.

@Anthony BeckemeyerWhile either transaction on it's own may not be a prohibited transaction, looking at both transactions could reveal a more problematic intent.

I use tenantreports.com  They offer a variety of tenant checks, and they have ala cart pricing   You can do any check that makes you happy, including the standard FICO score.  

Inspections reveals some needed work.  

During my time there I had a variety of different opportunities to travel around the US, work in different industries, and meet some truly wonderful people. 

We are in the beginning stages of implementing a variety of different services to her landlords & investors, one being 1031 Exchanges.  

The money spent on them has far greater return then trying to sort out which contractor's system will work for your situation.Taking the stuff out of the basement won't likely reveal the problem any better.

My question is this, I've check a variety of different sites to get comps and arv for a property, but I'm getting wild different amounts, some with a difference of 30k, is there any reliable data besides using mls and if not what am I looking for in mls?