that you will be going only so far trying to set your company's business plan (not really the right term - but read on) by asking for "free advise". I understand you're trying to hit a niche market with something real people will buy, and do it better than the guys out there already are doing it. BUT - if you depend on your customers to design something it will not happen.
was it Marshall McLuhan
https://en.wikipedia.org/wiki/Marshall_McLuhan or perhaps PT Barnum that said "build it and they will come!" or maybe Nuckie Thompson. in any event, build the best YOU can and put it out there, and massage your product as the business blossoms. if you are meant for it, and vice versa, things will grow along. I understand expo west population doubled this year; must mean something $$$.
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