You are absolutely correct - I have never done this exercise. 

My wife and I do this exercise every year.

You and the other posters here have been generous in indulging me in this exercise of considering this "partnership" / BRRRR, but demonstrating that we can invest successfully on our own power before seeking out partners is not only my strong preference but just sound business logic.As a new investor my head starts to spin when I start to think about investing, and the many gaps in my knowledge reveal themselves: how to structure a partnership? 

Then figure aprox what your refi numbers/value would be given those rents/expenses at a stabilized point,  and that to me is your "all in" - From there it becomes an exercise of what it will take to get to that point or property condition?

Hi Treza,Not sure where you are in the process there, but when your ready to exercise financing options please reach out, it's very difficult to find a ground up program for inexperienced borrowers without having an experienced GC sign on the loan with you which in turn is not easy to find. 

I've done a lot of research and even worked on running numbers for certain options (just as an exercise), but I'm now looking forward to jumping in.

Many people I know who leave do so because they have lived here so long they want to exercise other things while others leave for family reasons.

I suspect that DSCR lenders are more likely to exercise the DOS option when transferred.

Flagstar may exercise the "due on sale" clause if the name(s) of the buyer are not the same name(s) as the members identified as the owners of the LLC.

Real estate is one of the best mind-sharpening exercises in the investment world simply because getting it wrong there is no stock liquidation or quick way out.