This is why I hate selling my books on Amazon as opposed to my own direct website. I am lucky if I get $1 PER BOOK. Over half of a book’s consumer price goes in Amazon’s pocket and the actual content creator gets peanuts.

https://www.newyorker.com/news/us-journal/a-kansas-bookshops-fight-with-amazon-is-about-more-than-the-price-of-books