First of all, when we talk about the best-selling products on Amazon, that doesn't mean you have to sell those exact products. Your final choice will depend on many factors, such as competition, demand in the markets you sell in, your specific business situation, and so on.
Probably no strategy will guarantee that you will choose a bestseller every time. In fact, you may need to experiment with a few different items. Additionally, whenever you are looking to add new products, you should do market research to ensure that the product will still be in demand by the time you set up.
However, your efforts should pay off.
Currently, it looks like personal care products, games, puzzles, and fitness equipment are some of the best products to hit the platform in 2021.
As a result, consider listing the following top-selling items on Amazon:
At the same time, keep in mind that the coronavirus is making the future a little challenging as shoppers may not have enough money for personal items or gifts. On the other hand, in the era of social distancing and quarantine, many people are turning to Amazon for personal needs and entertainment.

For other predicted bestseller categories, check out:
A good starting point for identifying the best-selling products on Amazon is the platform's curated list of current bestsellers. You can find bestseller lists for international marketplaces including the US, UK, Canada, Spain or Germany.
These lists show the top selling items on the entire site. They show the most popular products by category, from toys to books to video games.
However, when using Amazon bestseller lists, keep in mind that:
However, we recommend that you pay attention to what is selling best and what is trending. You might want to get ideas for similar products and also check out our Customers Also Bought section. This can give you ideas to adjust your product basket so that your e-commerce business reaches an unprecedented level.
Once you have identified products with potential, you can find suppliers who will provide you with the same products or offer new options to gain a competitive advantage.