Most mortgages permit rolling closing costs other than buyer RE commissions into the mortgage principal.

Some of the features I am looking for (most likely there is not 1 single vendor who has all this built-in, but more of a technology stack that integrates nicely)Would something like propstream, carrot, and kixie be powerful enough to get rolling out the gates and still be efficient in your eyes?

The solution is to location the meters as close to the billed unit as possible (or even inside) but sometimes that's not convenient because the return and supply lines are on opposite sides of the building whereas you could easily put the meter right next to your boiler / zone valves where all of the pipes are easily accessible.As for cost per BTU, with oil, you keep a rolling average of the price per gallon in your tanks and divide the BTU's used by 138,500 (BTUs contained in a gallon of heating fuel).

I'm not really "pitching an idea" as much as I'm wanting to scale up something that is untapped and ready to roll. 

Depending on the built in gain and how long you've lived there, you should be able to sell your current primary tax-free and roll any gains from that into your new primary residence, that is IRC section 121.Is there a set amount of time before you can move into the rental as your primary?

After I would refinance and roll it into the next deal, like all BRRRR's work.Lets say I find a deal and the numbers run to be exactly like the situation above.

Lobster rolls and Lobster Ceviche. 

You could roll it into a higher cash flow deal, but it would be really important to do a lot of homework before jumping in.

I am grateful we attended the rich dad seminar because it is what got the ball rolling for us for a minimal cost.  

But for the other readers in a nut shell , the elements of the fundamentals for bitcoin are as follows: store of value, programmable money and capital asset all rolled up into one value number.