Books like Fooled by Randomness make it apparent that you see a lot of sucessful people on social media, books, etc; not the graveyard full of dead bodies/failed investors. 

  :) And always wear gum boots or Dr Martens just in case you step into human S#%@.Rudy Giuliani for San Fran mayor hahahaha

To that end, it may be slightly more efficient at getting a first contact rate than other tools, as folks may be temporarily lulled into thinking they are being contacted by a human. 

I can see you’re a broker rather than a direct lender and a robotic troll rather than a human .

I had to deal with a lot more issues than I've ever had in non-S8 rentals like extensive property damage and also bed bugs, roaches, drain lines completely clogged up by grease (I learned what sewer worms are, look it up), spray paint art on walls and food on ceilings, noise complaints, police at the property, removing dead bodies, etc.  4.

The newer cabinet doors might be harder to find but it looks like it would be easy to make doors to match the older flat panel doors.Also, try looking at Restore the Habitat for Humanity thrift store or other used building supply places.

So I understand the owner loses right to possession once some body buys the tax certificate?

First of all, their certification program is NOT accredited by any legal body so it is basically worthless other than it may look good on your wall.

It sounds like you are looking for an employee as defined by most taxing bodies.

And it's worked for generations and the wealthy for a very long time because mutual insurance companies understand the human lifecycle quite well (law of large numbers), they're well regulated, make safe and sound investments and in several cases have paid out dividends consecutively for over 150 years (Mass Mutual, Lafayette Life, etc).