Amazon is the main online trading platform in the United States, which occupies a significant part of the online sales market in Germany, Spain, Japan, Italy and other countries where it has offices. Amazon was founded by Jeff Bezos, who became one of the richest people in the United States. Amazon shares are on a par with Microsoft, Apple and other large American companies. How to buy profitably on Amazon is one of the most popular questions in Russia. Amazon has 34 product categories and hundreds of thousands of different products from books to food and large household appliances. Almost everyone in the United States makes purchases on Amazon regularly.