onlineseller is a term often used to describe individuals or businesses selling products on online marketplaces like Amazon, eBay, or Etsy. Being an online seller means leveraging the power of e-commerce platforms to reach customers and manage sales from anywhere. With tools like Amazon Seller Central, sellers can manage inventory, fulfill orders, and track performance. As an online seller, focusing on product research, customer service, and efficient fulfillment will help you grow your business and establish a solid reputation.