It is difficult to determine the most bought item on Amazon as it changes frequently. However, we can look at the best-selling products on Amazon to get an idea of what is popular. According to Amazons Best Sellers page, the most popular products based on sales include a mini fridge, Crocs, and baby wipes. Other sources, such as SellerApp and Helium 10, suggest that the most sought-after categories on Amazon include electronics, books, clothing, shoes, and household essentials. It is important to note that the best-selling items and categories on Amazon can change frequently, and it is important to conduct thorough research and identify niche opportunities within these categories to stand out in the competitive marketplace.