The first tool you will use for your research is Amazon.

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With thousands of products, it's the world's largest eCommerce store. Luckily, it's also a treasure trove of free data that you can use to make your decisions.

Not only is the search engine full of autocomplete suggestions, but its product categories can also be used to find niche products that are popular with a smaller group of consumers.

Amazon autosuggestions
Let's say you wanted to sell children's toys.

You can narrow your search down to very specific toy categories, such as “play dough” or “craft sets”.

narrow down toy categories
You can then switch to the “Best Sellers” view to List of Colombia Cell Phone Number see the most successful products in each category on Amazon.

This excludes the most popular products that are widely available and where competition is fierce, but it does include items that are so popular that you can keep them in stock and most likely sell them.

Sort products by Bestsellers
Semrush is another great tool that allows you to collect data from competitors or any eCommerce store.

It shows you where these eCommerce stores get the most traffic, what products they promote through paid advertising, what products are viewed most, and much more.

Semrush's homepage
It also shows your competitors' product ads on Google. You can see their top performing product ads, keywords, and other data.