how to start amazon fba business requires market research, supplier sourcing, and proper account setup. The FBA model handles logistics, allowing sellers to focus on marketing and product development. Choose a profitable niche by analyzing demand and competition. After ordering inventory and ensuring compliance with FBA prep standards, create optimized listings with strong SEO. Launch strategies often include PPC ads and product giveaways. This business model offers passive income potential but requires planning, capital, and a willingness to learn from data and customer feedback.