It will co-exist with other "new" payment methods such as google pay, apple pay and credit card etc, because the target customers are different.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

BP is not an inexpensive place to market yourself with the Ad fee structure so agents and those that dont have large budgets could never afford it.. so the ( as its now called ) reverse trolling is the way these folks are trying to drum up bizz ?

I am the only real estate investor with my bookkeeper and at first she thought this was a little overboard but once she started setting rules in Quickbooks to simplify her work she quickly realized how simple this method makes things.

That method will increase your ROE significantly more.Also read the BP book on BRRRR investing.

Anthony,You would be surprised by using some old school methods like simply writing a letter like you mentioned. 

Would that method work again?

This method is particularly relevant if you're in a market with high rental demand.Many property owners have found that adding an ADU significantly increases their property's market value and appeal.

Each method has a cost in both time and money.  

It isn't the metric you can talk about on a national scale, but if you keep buying the same product in the same area it is a very easy quick and dirty method to know how you are doing compared to other buys.