seller
- What changed
- Tools that track stock, forecast demand and plan reorders for Amazon
- When
- Updated October 2026
- Who it affects
- FBA and FBM sellers, brands and multi-channel retailers
- What to do
- Audit native tools first, then add software for the gaps you can name
Key takeaways
- Seller Central's FBA Dashboard, Restock tool and alerts cover the basics for free.
- Paid software earns its cost through lead-time forecasting, purchase orders and multi-channel sync.
- Link stock levels to ad bids so campaigns never spend into a stockout.
Inventory tool options
| Seller Central | Spreadsheet | Dedicated software | |
|---|---|---|---|
| Cost | Free | Free | Monthly subscription |
| FBA stock view | Manual export | ||
| Supplier lead times | Limited | Manual | |
| Purchase orders | Manual | ||
| Other channels | Manual | Often yes | |
| Links to ads | Some tools |
What does Amazon inventory management software do?
At its core, inventory software answers three questions every week: how many units do I have, how fast are they selling, and when do I need to send more. Good tools turn sales history, lead times and Amazon's own limits into a reorder date and quantity for each SKU.
The difference between tools is how much of that they automate and how many channels they cover. A single-channel FBA seller with 20 SKUs needs far less than a brand selling on Amazon, Walmart and Shopify from one warehouse. Our guide to Amazon FBA inventory management covers the operating rhythm that software supports.
The free tools already inside Seller Central
Before paying for anything, use what Amazon provides. Amazon lists an FBA Dashboard for forecasting and inventory management, a Restock tool with reorder recommendations, replenishment alerts, restock limits and FBA Liquidations for clearing slow stock. The Inventory Ledger and Reimbursements reports show where units went, which matters when you file claims.
- FBA Dashboard: inventory health and forecasting in one place
- Restock Inventory: suggested reorder quantities and dates
- Replenishment alerts: notifications when stock runs low
- Restock limits: how much you can send in by storage type
- Inventory Ledger: unit movements, losses and adjustments
- Aged and excess views: stock at risk of surcharges
Where the native tools stop
Amazon's recommendations are built for Amazon. They do not know your supplier lead time unless you enter it, they do not plan purchase orders with a factory, and they do not see stock sitting in your own warehouse, a 3PL or another marketplace. They also do not connect inventory to advertising, so ads can keep spending on a SKU that will stock out next week.
That gap is why growing brands add software. The aim is not more dashboards. It is one reorder plan that reflects real lead times, cash and every place the product sells.
Features that matter most in 2026
2026 changed the inputs. Amazon raised fulfillment fees on January 15, added a 3.5% fuel and logistics surcharge from April 17 and measures low-inventory-level fees per FNSKU, so stock levels now affect cost as well as rank. Software should model those costs, not just unit counts.
- Demand forecasting by SKU that handles seasonality and promotions
- Lead time and safety stock settings per supplier
- Purchase order creation and tracking
- Low-inventory and aged-stock alerts before fees apply
- Multi-channel sync across Amazon, Walmart and Shopify
- AWD and 3PL stock visibility alongside FBA
- Ad pause or bid-down rules when cover falls below a threshold
Must-have features
- SKU-level demand forecast
- Lead time and safety stock
- Purchase order tracking
- Low-stock and aged alerts
- Multi-channel sync
- Ad rules tied to cover
Types of inventory tools compared
Most options fall into three groups. Spreadsheets cost nothing but break as SKUs and channels grow. Dedicated inventory platforms handle forecasting and purchase orders well but often sit apart from advertising. All-in-one seller platforms connect stock, profit and ads in one place, which matters because stockouts hurt both sales and organic rank, as covered in our post on Amazon stockouts and rank.
How to choose the right software, step by step
Pick software by the problem you have, not the longest feature list. A short trial with your own data shows more than any demo.
- List the last three inventory problems that cost you money
- Count SKUs, channels and warehouses you need to cover
- Check that the tool connects through Amazon's Selling Partner API
- Test forecasts against last year's actual sales for five SKUs
- Confirm it handles lead times, AWD and purchase orders
- Compare pricing tiers against SKU and order volume
- Decide who will own the weekly reorder review
Choosing a tool
- 1List problems
Name what cost you money
- 2Size the need
SKUs, channels, warehouses
- 3Test forecasts
Use last year's real sales
- 4Assign an owner
Weekly reorder review
Common mistakes when buying inventory software
The most common mistake is buying a tool and keeping the old habits. Software only helps if someone reviews its recommendations weekly and enters accurate lead times. Another is ignoring Amazon's restock limits: a perfect forecast is useless if the shipment cannot be received. Read our guide to Amazon FBA restock limits before setting reorder quantities.
The third mistake is overstocking to be safe. Storage costs rise sharply from October to December and aged inventory surcharges begin after 181 days, so excess cover has a real price. Our Amazon excess inventory guide explains how to clear it.
Connecting inventory to advertising and profit
Inventory and ads should share one set of numbers. When a best seller drops below a few weeks of cover, bids should fall to slow sell-through until stock lands. When a product is overstocked, ads and promotions can speed it up before surcharges apply.
PPC Spider's SpiderOS platform monitors bids, budgets, search terms and stock together, and SpiderOS inventory forecasting feeds cover levels into bidding rules. If you want a second opinion on your stock and ad setup, the free Amazon audit reviews both.
Sources
- Amazon: Fulfillment by Amazon (sell.amazon.com/fulfillment-by-amazon)
- Amazon Seller Forums: Fuel and logistics surcharge announcement (sellercentral.amazon.com/seller-forums/discussions/t/7cbc0233-ee5b-4359-978a-dee7cad5c6f4)
- Nova Data: 2026 Amazon FBA fee changes (novadata.io/resources/blog/2026-amazon-fba-fee-changes)
- Hopted: Amazon Inventory Performance Index help article (hopted.com/integrations/amazon-sp-api/amazon-help-articles/inventory-performance-index)
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