That’s our primary method of communication so it works.

The BRRR method is not about "numbers working" in a given market. 

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.

An LLC also makes refinancing in the BRRRR method smoother, as many lenders prefer loans through an entity for multi-property investors.Starting with the right structure positions you for long-term success.

Which is to say any attempts beyond the method of communication in the profile are likely to end up convincing the landlord you and your friend would be a pain in the butt as tenants. 

Does anyone use another method of goal setting or periodic review method?

Without this foundation any money spent on gurus, courses, books mentorships that teach techniques and methods is WASTED, even if the methodology being taught is valid.  

How come data driven method did not see that construction costs will only rise?

They really do not know how to decipher what is a question posed to get business, then they end up with an inbox full of DMs.A lot of us have started using the "nice" call-out method, which involves responding something like, "I see you are an agent in Dayton asking a question about housing in Dayton. 

I see you mentioned the BRRR method, here's a nice breakdown of it here on Bigger Pockets.