To become an Amazon retail arbitrage, you will need to follow these steps:

1. Learn the Basics of Retail Arbitrage: Retail arbitrage is the process of buying products from physical retail stores or online marketplaces at a lower price and then selling them for a profit on Amazon. You should research and learn the basics of retail arbitrage, including sourcing products, pricing, and shipping.
2. Identify Profitable Products: You need to research and identify profitable products that have a high demand and sell for a higher price on Amazon than they do in retail stores. There are various tools available, such as Amazon Best Sellers, to help you identify such products.
3. Find Retail Stores or Online Marketplaces: You can find profitable products by visiting retail stores or online marketplaces such as Walmart, Target, or eBay. Look for products that are on sale, clearance, or discontinued, and have a good profit margin.
4. Buy Products at a Lower Price: Once you find the profitable products, you can purchase them at a lower price than their retail value. You can negotiate with the store owners or use coupons to get a lower price.
5. Create a Seller Account on Amazon: You need to create a seller account on Amazon to sell your products. You can sign up for a professional account that costs $39.99/month or an individual account that charges a fee of $0.99 for every sale.
6. List Your Products on Amazon: After you create your seller account, you can list your products on Amazon. Make sure you list them at a competitive price and optimize your product listings with keywords to improve their visibility.
7. Fulfill Your Orders: When a customer purchases your product, you will need to fulfill the order by shipping the product to the customer. You can either fulfill the orders yourself or use Amazon’s FBA (Fulfillment by Amazon) service.
8. Monitor Your Sales and Profits: It’s essential to monitor your sales and profits regularly to track your progress and identify areas for improvement. You can use Amazon’s Seller Central to monitor your sales, profits, and customer feedback.

In summary, to become an Amazon retail arbitrage, you need to learn the basics of retail arbitrage, identify profitable products, find retail stores or online marketplaces, purchase products at a lower price, create a seller account on Amazon, list your products, fulfill your orders, and monitor your sales and profits regularly