However, those with good credit can have solar installed with 0 down, and where a zero down system pays for itself (taking in to account the hidden costs, risks, vacancy etc), they offer very high (infinite) ROI.  

Even in infinite alternate universes, there are very few to none where I would have invested more than $50k with this particular sponsor and I'm even at least a little hesitant to 1031 this with them since that just continues the high risk train.And that's the key.

., including equity interest charges; if it's OPM, its an INFINITE RETURN ON MY MONEY, which to me is Zero, if its not coming out of my pocket. 

It seems like an infinite loop.

I personally find the Series LLC to be a great tool for the individual investor who is planning to expand their operation, as it allows for you to scale infinitely - check out this article to learn more.

Everyone thats read a book understands that Price=NOI/Cap RateDare I say that I think very few people understand that what that equation really means is that the present value of a given stream of infinite cashflows = that cashflow divided by the current rate of interest.  

What I am challenging is the notion that you can do this infinite times with no consideration of DTI.

I agree with your assessment though on quality muti with top shelf Sponser.  

Most RTA cabinet distributors don't use particle board like you'll find in the off the shelf Home Depot cabinets.

Without reading the Contract, it would be infinitely difficult for anyone to tell you what the term means in the context you are referring to.