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You’ve probably already considered selling on Amazon but its way easier than you think.
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Did you know Amazon operates over 185 fulfillment centers worldwide, with more than 100 located across the United States?
Whether you're a new seller or scaling an established brand, maintaining the right inventory levels is one of the most critical factors in keeping your Amazon business profitable and competitive.
For US sellers on the Amazon marketplace, inventory management challenges are common. Poor visibility into product demand can trigger costly stockouts, causing you to lose the Buy Box and rankings overnight. On the flip side, overstocking ties up capital and racks up expensive FBA storage fees — especially during Amazon's Q4 peak season.
These are real, recurring pain points for thousands of US Amazon sellers. But they don't have to be yours.
A smart Amazon inventory management strategy does more than prevent stockouts and storage fees. It protects your seller metrics, strengthens customer trust, and directly supports your Amazon Account Health — keeping your Order Defect Rate, Late Shipment Rate, and Valid Tracking Rate all within Amazon's required thresholds.
So how do you take control of your inventory, stay ahead of demand, and run a healthier, more profitable Amazon business in 2026?
This ePlaybooks article explores effective inventory management tips to increase Amazon sales.
Inventory management involves ordering products, tracking, and storing them to efficiently meet customer demands.
On the US Amazon marketplace, running out of stock can negatively impact search result rankings, customer reviews, and product listing status.
Amazon continues to provide solutions to help sellers grow their business effectively and maximize sales. Amazon FBA is a fulfillment service that aims to help sellers manage their inventory, ship the products faster, and deliver them to customers on time. If you sell with fulfillment by Amazon, all you need to do is ship your products to Amazon fulfillment centers and have Amazon handle the rest.
Most importantly, you automatically get access to Amazon's inventory management system, which uses variables like shipment time, cost of goods sold, and other data to forecast demand and ensure optimum inventory levels.
Inventory management is important both for your Amazon business and your customers. Here are a few reasons managing your Amazon inventory is vital:
There are simple yet effective tips you can implement to push Amazon sales in the right direction. Here are inventory management tips to follow:
You are more prone to error if you manually track your inventory. Automating the process makes it easier to track and ensures you have just enough inventory all year long.
On the Amazon Seller Central dashboard, you have access to built-in tools for free. This dashboard provides useful inventory data and sales information for proper inventory management.
What's more, the Amazon Seller Central dashboard comes with a powerful feature called the Amazon Selling Coach. With this tool, you can monitor sales trends and even get an estimated number of days for your current stock level. It will show you how much of each product you sell daily, weekly, and monthly. This will help you forecast your inventory based on actual data.
You also get low-stock alerts via emails or the Amazon Seller app. This will help you know when you need to reorder inventory and minimize running out of stock.
Your inventory turnover rate shows you how fast your products sell on Amazon.
Using the Amazon Seller Coach feature, you can find out your inventory turnover rate. With this information, you can know how much stock you need to maintain between inventory shipments. This will ensure you don't overstock inventory, leading to excess costs, or understock, leading to poor customer reviews and loss of sales.
The Amazon Selling Coach feature on your dashboard tracks your sales and recommends inventory quantities needed to restock over a specified time.
Besides knowing the amount of inventory you need to meet customer demands, you also need to compare that with your supply chain.
Your supply chain is crucial to succeeding in the Amazon marketplace. Your supply chain involves the movement of inventory from the source to your warehouse. It is important to monitor each aspect of your supply chain, from production to shipment and delivery to your warehouse.
Your supply chain lead times refer to the amount of time it takes to stock your product after placing an order. For example, your supply chain lead times could be three weeks. This means that when you place an order, it will take 21 days before receiving your inventory.
It is important to know your lead times so you can schedule your orders and meet customer demands effectively.
This will also help you create backup plans if things go wrong. If you experience continuous delays in shipment, you may want to consider changing your shipping company. You may also want to reserve inventory in cases of delayed inventory shipment.
Customer demand tends to reach its peak during the holiday season. This will affect your inventory and supplier turnaround times. The last thing you want to experience is being out of stock during the peak season.
To ensure optimum inventory levels, you will need to know which products are fast-moving and which are out of season.
This will help you forecast how much inventory you will need months in advance. You will also need to factor in your supplier's extended turnaround times. This will help you place your orders on time, considering this and other factors like the weather.
For more advanced inventory management features, you can turn to third-party Amazon inventory management systems. If you have multiple sales channels and want to sync your data across all platforms, you can use third-party software like Cin7, Jungle Scout, Inventory Lab, and so on.
On days when demands are soaring and you are unable to meet those demands with adequate supply, you risk losing your customers to your competitors and even facing lower ranks on Amazon.
If you are running low on stock, consider reducing demand by temporarily increasing prices and stopping any advertising campaign until you have restocked.
Your Inventory Performance Index (IPI) score directly impacts how much inventory you’re allowed to send into Amazon FBA warehouses.
Amazon will evaluate your excess inventory levels, sell-through rate, stranded inventory, in-stock rate for popular ASINs, etc to determine your IPI score. If your IPI score drops too low, Amazon may impose FBA storage limits, restricting how much inventory you can send, especially during peak seasons like Q4. In a competitive Amazon US marketplace, if you can’t send enough inventory into FBA, you may lose sales even when demand is high.
To improve your IPI score, remove or discount aged inventory, fix stranded listings immediately, improve sell-through with pricing or ads, and monitor IPI weekly in your Seller Central.
Running promotions without proper planning may backfire. While a successful promotion can increase Amazon sales, holding out on too many sales can clear out inventory, lower Amazon ratings, and trigger angry customers.
Thankfully, you can deal with this by being strategic with your promotions. You can limit the number of stocks, meaning that once your stock level hits a certain number, promotions will be taken down from your listing.
Alternatively, you can reserve products on promotion from your supplier with a future ship date.
If your promotion runs successfully, you can contact your supplier to move up the ship date. On the other hand, if the promotion is unsuccessful, you can extend your ship date or cancel it to avoid overstocking.
Many sellers wait until inventory is “running low” before reordering. That’s risky. Shipping delays, port congestion, and customs holds can all disrupt restocking timelines. Without a safety buffer, you risk stockouts, which can affect rankings and sales. Instead, calculate a reorder point based on your daily sales velocity, lead time (production, shipping, and FBA check-in), and safety stock buffer. Generally, you want to maintain 2 to 4 weeks of safety stock, recalculate reorder points monthly, and increase buffer before peak seasons.
Dropshipping could be an alternative to stocking inventory. The model is perfect, especially if you are just starting on the Amazon marketplace with little capital.
With dropshipping, the supplier manages inventory and ships products directly to customers on your behalf. It is less risky and doesn't involve storing inventory. This means you won't need storage space.
However, to succeed in using the dropshipping model, you need to choose your suppliers wisely, as this could affect your profitability.
You also need to make sure your supplier is compliant with Amazon's Dropshipping policy. Any mistakes could get your Seller account shut down.
Inventory management is a crucial part of succeeding in the Amazon marketplace. As an Amazon seller, keeping optimum inventory levels can help you boost organic search rankings and increase sales on Amazon.
By applying the strategies outlined above, you can stay ahead of demand, improve cash flow, and remain competitive. And if you want expert support, ePlaybooks can help streamline your inventory planning, forecasting, and overall Amazon account management so you can scale with confidence.
US sellers can find Amazon inventory management services through:
Here are some Amazon US sellers' inventory tips for forecasting:
You’ve probably already considered selling on Amazon but its way easier than you think.
Call Us Now