A unique script has to be written, for each county, to iterate through ALL of the accounts, and compiling the data in a database, which can then be queried for accounts which match your criteria.Iterating through all of the accounts requires exploiting the county's online property tax search.

Dani Borow as others have said save your money.This guy definitely sounds like he’s the type of guru that exploits newbies .

According to this story from KXAN, "The resolution will provide resources for homeowners, many elderly and low-income families, who the city says investors prey upon to sell their homes, "through high pressure, deceptive, and/or exploitative tactics."

He explained that he prospered through the mundane: understanding and exploiting the financing structure of his purchase.

It's about finding bugs, backdoors, exploits and unplanned results for good.See crackers are black hats as they crack ie break in and cause bad things, hacking might break in but they don't do anything bad and report to the owners how they got in and how to stop them next time.

Then once you find a nugget, exploit that vein. 

Wholesalers' business model is to exploit the inefficiencies in the market.

I believe cash back/ rewards cards are great for the financially disciplined who know how to exploit the programs. 

You may have screwed up, but I would bet money that the HOA is not following their covenants to the letter, because it's hard to follow anything to the letter, and I would exploit that weakness. 

Welders, pipefitters, electricians, boilermakers, instrumentation, insulators, iron workers, crane crews, pipeline crews, scaffold builders plus their management.Find a niche and exploit it.