is selling on amazon fba profitable for many sellers who understand how to choose high-margin products, optimize listings, and manage their supply chain. FBA provides access to Amazon’s massive customer base and Prime shipping, which boosts conversion rates. Profitability depends on product selection, sourcing costs, fees, and marketing. With tools like Amazon FBA calculators and keyword research platforms, sellers can accurately forecast margins. Many sellers generate full-time income or even scale to 6- or 7-figure businesses using Amazon FBA effectively.