The concept of a hot product is very general. A hot product does not refer to a single product or a certain group of products. If you want to know what products are trending, you can go to major e-commerce markets to investigate. However, each market has its own target customers and target seasons, the results will be different. It is true that there are hot products in each category. The hot products be the new products for the current season, the fast-selling products from a shopping event, or the daily essentials. So, how do we find hot products that are profitable and can be sold fast?