The Amazon Associates program lets independent online publishers with the opportunity to promote any product in Amazon's inventory as affiliate agents. All it takes is adding a small, identifying code to the links that take your site's visitors to a specific Amazon product page (books, DVDs, electronics, etc.). If the visitors who clicked on your link buy an item even if it's not the item you point to — you earn a small commission.
Though the amount of return with the Amazon Associates program is small, nonetheless, it is another way to get income without adding clutter or not-relevant disruptive information to your valuable content. References to relevant books add to the user experience as it helps those who want to search for more information on a topic to see immediate and hand-picked recommendations.
As a matter of fact, it is possible to earn as much as 10 percent per sale as an Amazon Associate.
