I did read up that apparently you can self publish through a subsection of Amazon if you sign up for membership as a "Seller". I'll have to dig that book back up, but I do have it saved on my phone somewhere
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But as far as self publishing with no idea on how to do that, I'm right there with ya. They say to find someone you can trust with your work to edit the grammar, spelling and perhaps formatting, and if you can do your own illustrations & covers all the better, but if not, you'll have to find others to help with that also.