how to sell on amazon step by step begins with registering a seller account, choosing between an Individual or Professional plan, listing your products, and deciding whether to fulfill via FBA or FBM. After your listings are live, focus on optimizing them with keywords, compelling copy, and professional images. Set competitive pricing and manage your inventory proactively. Use Amazon Ads to drive traffic, monitor your performance metrics, and consistently refine your approach based on customer feedback and sales data to grow your business.