Between the four of us we have a solid team and shared vision- we just need some tactical advice on actionable steps we can take to get this going. 

Do you guys think this would be an efficient tactic?

In those cases auction.com will use this tactic to help expedite the sale by guiding the auction participants to the reserve.

If you're using the DIY tactic usually 3k-5k. 

His favorite tactic is to call you uneducated and be very condescending.

If you're going to give it to another agent that's going to do the same tactics, your results will most likely be the same. 

To get a really good discount on a property, what are some of the tactics you guys use to shave 5, 10, 20k off of the asking price?

As to the BRRR thing, that's an old tactic, buy n hold, you're a victim to financial changes along the way, it is not infinite as the gurus claim, you have loan concentrations as you acquire more financing, your available LTVs will drop as inventory increases and hard money doesn't last for the long term.  

As a fellow PM, we know there is never a perfect way to run a project, different tactics, tools, and methodology are required every time.

Many tactics.