Evaluate exit strategies for buyers before locking in any deals.

With that said, what is the best strategy for building wealth and creating cash flow with real estate in today's market?

Using leverage is still better than paying 100% cash, you get to use OPM so your ROI will increase, it's a win for you. 

As for financing, I would argue that my son's deal is better than the slow flip strategy you reference.

It represents a passive investment option for individuals seeking to save money beyond traditional savings accounts, without delving into more complex investment strategies.

For more real estate focused methods and practical advice, add to your list, "Set For Life" by Scott Trench and "The House Hacking Strategy" by Craig Curelop. 

As for using a Wyoming LLC, it's a common strategy for out-of-state investments, but you might want to chat with a tax pro to see if it's right for you.

The asset protection benefit is that I can utilize Special Allocation strategies whereby, I, as a natural personal individual, would own less than 10% of this new Partnership/LLC and my SMLLC would own the remainder 90% thus the majority tax responsibility would flow through to the SMLLC.Any thoughts from the professionals of BP is greatly appreciated!

I'm thrilled to hear about your enthusiasm for the BRRR strategy!

I have read Amanda Han's tax book (first book) and started on the Advanced Tax Strategies and don't really see this mentioned.