So when I come to my friend, I want to explain the benefits to him and why using this method is a win-win. 

The only other thing you need is Articles of Organization, and if single member, just search google & you can find one in word that you can easily adapt.  

I have my own lease but you can easily find a generic lease on this site and make small changes to adapt it to your needs.  

Aside from the obvious, are there any other major things to avoid with this method?  

Many of the common BP seller financing methods just don't normally apply to OC.

OK, question: using the BRRR method and playing the numbers game by analyzing a lot of deals I would then put in a lot of offers, until I find someone that will take my offer.

Cash on Cash Return Down Payment $18,190Closing Cost $2,500 Rehab Budget $10,000Misc: inspection $400 Total Investment: $31,090 Cash on Cash Return 9.6% BiggerPockets: The Four Square Method for Analyzing Rental Properties form.This is an REO, the realtor is advising to start at the listed price of $72,760. dollars. 

While the law does not provide a clear test for determining how much rent is reasonable for the tenant to withhold, judges in rent withholding cases often use one of the following methods.

I am looking for a method to find the top selling agents in any particular area.

The Buy, Rent, Refinance, Repeat or BRRRR method seems like a good way to get the ball rolling.