2024-07-20 · 10 min read
Amazon Pricing Strategy: How to Win the Buy Box
How the Amazon Buy Box algorithm works, what factors influence who wins it, and pricing strategies that maximize Buy Box percentage.
The Buy Box is the white box on the right side of an Amazon product page with the "Add to Cart" and "Buy Now" buttons. Over 80% of Amazon sales happen through the Buy Box. Winning it consistently is essential for any seller competing on listings with multiple offers.
Who can win the Buy Box
Not all sellers are eligible. Amazon requires sellers to have a Professional selling account, a sufficient sales history on the platform, and good account health metrics. New accounts often cannot win the Buy Box for the first few months regardless of price.
What Amazon considers
Price: Your total price (item price + shipping) must be competitive. Amazon compares your landed price to other offers on the same listing.
Fulfillment method: FBA sellers have a significant advantage over FBM sellers because FBA offers Prime shipping. Amazon favors Prime offers because customers buy more when they see the Prime badge.
Seller metrics: Order Defect Rate, Late Shipment Rate, and Valid Tracking Rate all factor in. Poor metrics reduce or eliminate Buy Box eligibility.
Inventory levels: Sellers with consistently in-stock inventory win more Buy Box time than sellers who frequently go out of stock.
Shipping time: FBM sellers with faster shipping times outcompete slower FBM sellers.
Pricing to win
You do not always need the lowest price. If you are an FBA seller and competitors are FBM, you can price 5-10% higher and still win the Buy Box because your landed price (after Amazon calculates Prime shipping value) is competitive.
If you are FBM and competing against FBA sellers, you generally need to be 10-15% below the FBA price to win the Buy Box, and even then success is not guaranteed.
Repricing tools
Manual repricing is insufficient at scale. Most serious sellers use an automatic repricer that adjusts prices in real time based on competitor prices and Buy Box status. Tools like Wiser, Feedvisor, or Repricer Express check your prices every few minutes and adjust to maintain Buy Box competitiveness.
Set a floor price in your repricer — the minimum price you will sell for. This prevents race-to-the-bottom price wars from dropping your price below profitability.
Suppression from Buy Box
Amazon suppresses the Buy Box when it believes the price is too high compared to other marketplace options (eBay, Walmart, etc.). If your listing shows "Currently unavailable — we don't know when or if this item will be back in stock" instead of an Add to Cart button, price suppression is likely the cause. Reduce the price until the Buy Box reappears.