If you are selling on Amazon, most likely, you have some understanding how to optimize own account and the product pages. But imagine how much sales you can get with improvement of own product listing technology. As you can read from success story on Amazon, most likely, only “one of thousands of sellers focusing on listing quality”.
Are you one from these “thousands”? Or do you have own verified technology of creating product page? There is no matter how good is page for human understanding, if it’s bad for Amazon A9 search algorithm.