🛒 What Is Retail Arbitrage? Retail arbitrage is one of the fastest and most affordable ways to start selling on Amazon — even if you’re brand new to eCommerce. In this guide, we’ll break down exactly how to get started, what tools you’ll need, and how to find profitable products that actually sell. Retail arbitrage means buying products at a lower price from retail stores (like Walmart, Target, Ross, or Marshalls) and reselling them for a profit on Amazon . For example:If