@Steven Cruz If you get a chance, read "Becoming Your Own Banker: Unlock the Infinite Banking Concept" by R.

outside of that I always suggest looking into some phycology and mindset around investing and financial freedom, I myself have had most of my big unlocks when focusing on that kind of lesson rather than a tactical real estate lesson.  

The tenant took the screen out and needs to use a credit card to unlock the front door, since the storm door frame is in the way of the front door keyhole.  

They also paint "stolen" on the water heater and furnace. ( who wants to sell a furnace that say stolen on it ) Some leave the doors unlocked so they don't have to fix the doors ( going to get in anyway) Before I had a PM I never supplied stove and fridge.

I have let my car unlocked with the keys inside a few times, when I wasn't home for the renter to pick up.

Of course, as you emphasize, having a real estate focused CPA is key to unlocking the upside, and avoiding unintended consequences, of tax tool implementation.

At 2:30 he called and said that he had left the keys on the counter and the house unlocked and would not be coming back for the walk through. 

I have written before about the pitfalls of cost segregation, for example here: https://www.biggerpockets.com/forums/51/topics/831924-beware... and here: https://www.biggerpockets.com/forums/51/topics/1075919-five-...While cost segregation is an excellent and powerful strategy when used correctly and under the right circumstances, it is certainly not some master key that unlocks all doors all the time.

I've been in this game almost 15 years and @Joe Villeneuve helped me to unlock my mind with what I consider to be a game changer. 

You would be hard-pressed to find anyone that has gotten those kinds of returns in the past 2 years.He says the "secret" he unlocked was to avoid the 2 types of real estate investing everyone else does1) focusing on cashflow and 2) avoiding BRRR.