I agree; you are by far the most qualified to be marketing your product right now because of your passion. You also have a Facebook group that you can use as a

I agree; you are by far the most qualified to be marketing your product right now because of your passion. You also have a Facebook group that you can use as a testbed for your marketing efforts - they're already primed to listen to you, and if you're REALLY concerned about faffing it up, split test! I don't imagine your marketing would require your physical presence just yet. Start off small and market to an audience you already know.