If you make candy and you decide you will only buy sugar at 30% below market rate you might only make candy 2 times a year. 

I have no plans to write book, I already write these thesis on here for public consumption.

My wife and I use "sugar in the raw".

Failing that, if each unit has it's own electrical panel, then you can sub-meter one, or both, of the panels.If the units have co-mingled electrical and share a common panel - or worse, circuits - there is no satisfactory way to bill back the electrical consumption.  

The efficiency of a solar installation is dependent on many factors - location (or average daily sun hours), house orientation (15deg SSE ideally), roof inclination, shade obstructions (on the roof and/or around the house), consumption, components used, inverter or microinverters, hail resistance, warranty, utility payback vs net metering.

We are highly active in the areas of Independence, Raytown, Blue Summit, Sugar Creek, Lee's Summit, Grandview, Blue Springs, specific areas within the city, etc.We typically like to start with an initial phone call to discuss your investment goals/experiences, answer any questions you have, and tell you all about what our company has to offer.

I imagine there is ton of opportunity to continue this little enterprise all through elementary school since kids cannot get enough sugar, ever.

This is not information for public consumption. 

I am reading/hearing that Houston is extremely aggressive, so as a beginning investor, I am thinking of focusing on some of the suburbs of Houston (Sugar Land, Richmond, Rosenberg, Katy, Cypress, Etc.).

One does not need a degree (although states are moving toward a degree requirement for Realtors) but taking several business classes will provide an investor with tremendous tools for success.IMO, there are some basic undergraduate courses that would serve anyone contemplating working real estate .Personal finance, provides an understanding of investments and personal business consumption, like renting vs. buyingBusiness finance, provides consepts of financial leverage, sources of funding, corporate entities and cash flowAccounhting 101 and 102, basic business accounting, the language of businessEconomics Micro and Macro, provides one with an understanding of alternative choices, economic factors that drive individual decissions in commerce These courses will really assist you in getting it, especially in appraising.