Record an audiobook — 20-30% boost to sales, 5-10% boost to royalties Submit the book to more platforms (iBooks, Google Play, etc., or distribute to all of them at once via a tool like IngramSpark or Draft2Digital) — 5-15% boost in total across all non-Amazon platforms For traffic on your own website or blog, sell the book directly as a PDF, MP3, and/or EPUB via Gumroad (or something similar) for 97% royalties — 38% boost in royalties for copies sold on your site vs. Amazon
