50 Lucrative Side Hustles Anyone Can Start Today

You can publish e-books for sale on Amazon and the Google Play Store. Credit: Pexels

37. Publish an E-Book

Have a great idea for a book? Maybe you should consider self-publishing. Anyone in the world can upload a book to Amazon or the Google Play Store. On Amazon, you get to keep 70% of the profit after a book is sold, and the money will be deposited directly into your bank account once a month.