I have also heard that this might be a good way to simplify the year end 1099/K1 process and to have only one return at the end of the year, with the single member LLC's flowing through the "master" LLC.  

Sterling White (highly regarded Indy local) recently put together a color coded map that should simplify this for you. 

For purposes of this article I will simplify.

Even the Journal of Accountancy and the American Institute of CPAs recommends using it to simplify your taxes now and going forward.

Right now the opposite is the case, though (at least in most cities).My calculus is a bit too involved to explain here, but a simplified version is this: historically the stock market goes up 10% a year (before inflation), so all my real estate deals need to make at least that CoC between appreciation, principle paydown, rent, etc. with similar levels of risk.

I've had my ups and downs but I remain hopeful as this is something I intend to better understand, simplify and continue in the future, being as though this will not be my only property purchased this year. 

., and this does seem to simplify, protect and give me a lot of flexibility with any project type I want to try.I talked to a Delaware lawyer about the Delaware series LLCs, and the only flag he brought up was that series LLCs haven't been tested in courts much yet.  

I think what I'm going for could be unique, but I've been having a tough time coming up with the perfect spreadsheet, so I need to simplify it.After thinking about it, I probably just need a calculation to analyze IRR.

Thanks,TomHi Tom, I'll try to simplify it for you. 

I think a 221(d)(4) Sub Rehab might be a better option and there is a similar LIHTC PILOT program that is going to be rolled out shortly that should simplify the process.