For "Conforming, Conventional" loans (loans governed by Fannie Mae and Freddie Mac) each bank uses the same set of rules. 

Nothing untoward came up and I was also not able to find any first source references of their credibility.

I didn't read this to ensure its accuracy but it certainly looks to be from a credible source. https://www.irs.gov/pub/irs-utl/33-Real%20Estate%2...Cliff Notes:Real Estate Professional Qualification • Material participation in each specific rental • Material participation in separate Real Property Trade or business • 50% rule • 750 hours rule • 5% ownership ruleReal Estate Trade or Business Defined IRC Sec. 469(c)(7)(C) Any Real Property: • Development or redevelopment; • Construction or reconstruction; • Acquisition and/or conversion; • Rental Activity that is not a Passive Activity; • Property management; • Brokerage activities.Example 1: Laura owns 5% or more of a real estate sales office • Works full time as a broker • She owns 3 rental properties and: • She finds the tenants; • Approves tenants and leases; • Approves and oversees repairs & improvements • Net rental losses are $31,000 and her modified AGI is $160,000 before the losses • Deduct the full $31,000 in the current tax yearExample 2: John acquires old homes and contracts 3rd parties to renovate and ready for resale.

A "conforming, conventional" loan is a loan type governed by Fannie Mae and Freddie Mac (if you recognize those names) and the terms will be the same at each bank...since it's Fannie/Freddie money. 

.), then I can see markets declining, but the larger markets (LA, SD, Bay Area) are also getting foreign money and investors that are parking cash from their corrupt governments. 

You download a report in an easy spreadsheet with owner name, address, and all property detail. step 3 - scrub your list to remove duplicate owners, government agencies, anything out of ordinarystep 4 - "mail merge" list into your ready to go offer letter to purchase.

For what it is worth, age of a site adds credibility to a site as far as search engines are concerned. 

The big news here is that a class action law suit is going forward against the City of Bedford in the Northern District of Ohio contesting "all homeowners who were forced to endure government searches as a precondition to the sale of their homes are entitled to demand refunds of illegal “Point of Sale” inspection fees".A similar suit has already been adjudicated in the Southern District Courts in favor of prohibiting the practice as a sale requirement.41 communities in Northeast Ohio require some type of POS for title transfer which I'm sure is a source of income the cities don't want to see disappear.

https://www.coralsprings.org/government/other-departments-and-services/code-compliance/code-compliance-process

I've encountered city government meetings where their attorney will tell them that an ordinance or whatever they are voting on may skirt the law a little bit and their attorney will tell them to go ahead and vote on it and if a citizen figures it out and calls them on it they may have to amend.