The Buy Box is the holy grail for Amazon sellers. Over 80% of all sales go to the seller holding the Buy Box. In this guide, we show you the most important strategies to significantly increase your Buy Box rate.

Featured Image: Buy Box Dashboard

What Is the Amazon Buy Box?

The Buy Box is the prominent "Add to Cart" button on every Amazon product page. When several sellers offer the same product, Amazon decides who gets the Buy Box using a complex algorithm.

The winner of the Buy Box gets the majority of sales. Other sellers are hidden under "Other Sellers", which drastically reduces the conversion rate.

Important: The Buy Box is not awarded permanently. It rotates between qualified sellers, based on a score that is continuously recalculated.

The Most Important Factors for the Buy Box

Amazon takes several factors into account when awarding the Buy Box:

1. Price (Landed Price)

The most important factor is the total price including shipping (Landed Price). You don't always have to be the cheapest, but your price should be competitive.

2. Seller performance

Amazon measures your performance using various metrics:

3. Fulfillment method

FBA (Fulfillment by Amazon) has a clear advantage over FBM (Fulfillment by Merchant). Amazon trusts its own fulfillment network more and rewards this with higher Buy Box eligibility.

Pro tip: If you use FBM, you should consider Seller Fulfilled Prime. This can considerably improve your chances of winning the Buy Box.

4. Availability

Constant availability is essential. Out-of-stock situations not only harm your current ranking, but can have long-term effects on your Buy Box eligibility.

Repricing Strategies for the Buy Box

An intelligent Repricer is the most important tool for the Buy Box. Here are the most effective strategies:

Strategy 1: Dynamic Undercutting

Use a Repricer that automatically sits 0,01€ to 0,10€ below the lowest competitor price. Important: always define a minimum price to protect your margin.

Strategy 2: Time-Based Repricing

Adjust your prices to the fluctuations in demand:

Strategy 3: Competition-Based Repricing

Not all competitors are equal. A good Repricer lets you ignore certain sellers or treat them differently:

Warning: Avoid price wars down to the minimum. This harms everyone involved and destroys margins. Sometimes it's better to give up the Buy Box for a short time.

Improving Your Seller Metrics

In the long run, your seller metrics are decisive. Here are concrete measures:

Lower your Order Defect Rate

Optimise shipping

Using the Right Tools

Without the right tools, it's almost impossible to win the Buy Box consistently. A modern tech stack should include:

With Sellercore you get all these tools in one platform, specially optimised for German Amazon sellers.

Conclusion

Winning the Buy Box is not rocket science, but it requires discipline and the right tools. Focus on three areas:

  1. Competitive prices with an intelligent Repricer
  2. Excellent seller metrics through optimised processes
  3. Constant availability with good inventory management

If you master these fundamentals, you'll significantly increase your Buy Box rate and generate more sales.

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