Then makes him jump thru all sorts of hoops to get them, all while presumably charging him fees for the privilege of having an account with them.

I can buy a house for 25k.We just bought a DWMH with land for 6k from a motivated seller.Put that money to better use like purchasing a list of owners and doing some direct marketing.Drive for dollars in your town and look for distressed or vacant houses, MH's, Land and send the owner a letter.

Wait, it’s sort of the same thing ;)

The BRRRR turned into a house hack of sorts.

You need to sort out Supply-Demand curve. 

By the way, their motivation was revealed by searching public information.

Ive got a few single and multi family with a motivated seller.

To be clear, I am not asking to put price of rent, or even list metrics for some sort of ratio in the listing. 

It is available if you need it...sort of...It is very easy for them to dispute whatever you put in there.

I'd love to learn more engaging dialogue that can motivate property owners to seriously consider owner financing methods.