Anyone can write and publish an eBook and sell it on Amazon for 99 cents. The evidence for that is that everyone has. All you need is a clever, incredibly long title to hit every possible Google search keyword, then just sit back and reel in the schmucks. Do that a million times and you will have made yourself rich and Amazon even richer. Just remember to keep the book's content short and the titles really, really long.
1) How I Turned a Hardcore Gambling Addiction into A Million Dollar Enterprise That Allowed Me to Buy My Dream Home and Marry a Gorgeous Super Model
2) How Quitting My Job to Play Fan Duel Full-Time Helped Me Lose Weight and Keep it Off by Eating Whatever I Wanted While Dating Women Much, Much Hotter than Me
3) Even a High School Dropout with No Social Skills Can Trick Women into Bed While Beating the Stock Market Playing World of Warcraft
4) How to Turn a One Night Stand on Tinder into A Serious Committed Relationship Built on Trust and Mutual Respect While Making Millions and Living the Dream Without Dieting
5) A Hassle-free Guide to Building Muscle and Your Bank Account While Losing Weight, Gaining Wealth and Getting Laid Guaranteed in 5 Easy Steps or Your Money Back