what to sell on fba depends on demand trends, product margins, and shipping practicality. High-performing products are usually lightweight, simple, and consumable or repeatable in nature. Sellers use data analytics tools to pinpoint top-ranking items with low competition and high ROI. Avoiding seasonal products and focusing on year-round demand ensures consistent cash flow. Examples include reusable home products, tech accessories, and niche lifestyle items. After selecting a viable product, sellers source from manufacturers and optimize their listings to align with customer intent, using Amazon FBA for fulfillment and delivery.