Amazon Kindle offers authors two main royalty options, typically 35% and 70%, depending on pricing and distribution choices. With the 70% option, authors must meet certain requirements like pricing within a specific range and enabling delivery fees. The 35% royalty is more flexible and applies to a wider range of markets and pricing strategies. Many authors using amazon kindle ebook publishing choose between these options based on their target audience and profit goals. Understanding these royalty structures helps writers maximize earnings while maintaining competitive pricing.