Do like the other posters say...
Also, you'll probably ignore this, but rushing to publish your first-ever novel isn't a good move. I don't even want to look at the first two book-length fictions I wrote. It would just be too embarrassing. Writing does improve with practice.
I tried the Amazon e-book route, and so far I have found the results rather dispiriting. Negligible sales, and just one review. I've since seen that even e-books one would think are noteworthy don't necessarily attract any reviews. Various people say that professionally designed e-covers and a time-consuming online social media publicity campaign can help...
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See my e-books at:
Amazing Sci-Fi and Fantasy stories – Shoujo & General Weblog