how to resell things on amazon includes sourcing items through retail arbitrage, wholesale, or liquidation deals, then listing them on Amazon for a profit. Resellers use tools like Keepa and SellerAmp to analyze pricing history and profitability. Setting competitive prices and ensuring accurate product listings helps improve the chances of winning the Buy Box. Proper packaging and timely shipping are essential. Amazon’s marketplace provides flexibility for resellers to scale their operations from side hustle to full-time income.