Was it for a place to live for work before they found a permanent location or was it used for someone wanting to stay in the area as a 2nd home for the winter months?

I think this question is dependent upon location.

Ask your brother what his BAH is for his rank and location.  

Then I logged on to the software that came with my course and searched each city to see how many cash transactions and vacant homes were in each location.

It is possible that over time, Google ranking metrics recognize the uniqueness of your key words, and you move up in the rankings organically (without a cost to you), so that you can be found easily on Google searches for your location.  

Lack of down payment, lack of entrepreneurial personality, low tolerance for risk, looking for the magic key that fits their desires, just want to learn, sold "Castles in the sky" with a gibberish of disconnected statements that while true in a plethora of instances do not add up to truth in any one instance, fear of failure meaning not able to take a financial loss without going into poverty, never told up front how much money they will need to spend to buy the investment in addition to paying for the class.

Quote from @Chris Strausbaugh: I'm located in Pennsylvania. 

This will help to reduce the premiums.Self Storage – “Company” Liability/Property insurance.Below is a summary of our Storage insurance for one location for your information.

Location is key.

Your ROI needs to be much higher the older you get started because of the loss of the magic of compounding.