Introduction: The Importance of Inventory Management in E-commerce
Effective inventory management is the backbone of any successful e-commerce business. You cannot run without it. Whether you’re an independent seller or managing a large-scale operation, ensuring stock availability, reducing wastage, and streamlining order fulfillment is crucial for profitability and that is where Seller Margins can help.
This is where a warehouse management system (WMS) comes into play. A system for warehouse management helps businesses efficiently track, manage, and optimize inventory across various marketplaces. Without proper warehouse management software, businesses risk stock shortages, overstocking, and inefficient fulfillment operations. If your customers cant get your products they cannot pay you for them.
Seller Margins provides a comprehensive warehouse management software solution, integrating advanced inventory tools and 3PL software to enhance stock control, replenishment, and pick and pack processes. In this blog, we’ll explore these tools and how they can transform your e-commerce operations.
Seller Margins' WMS Features: A Complete System for Warehouse Management
Types of Inventory Replenishment Models
Seller Margins’ Warehouse Management Software (WMS) is designed to optimize warehouse operations, streamline fulfillment, and improve order accuracy. This system for warehouse management consists of seven key sections:
Dashboard: The WMS dashboard shows a real-time snapshot of warehouse activities, including inventory and order status, picking and packing insights, and key warehouse performance metrics. With our warehouse management software, sellers have instant access to critical data, reducing inefficiencies and ensuring swift order fulfillment. All without having to enter the warehouse.
Orders: This section consolidates all orders from different marketplaces, allowing sellers to track, edit, and update order details. Managing orders across multiple sales channels from one system simplifies fulfillment and improves order accuracy. We integrate with all the major selling platforms including Amazon, Shopify , eBay and TikTok shop. If an order needs to be cancelled or amended this can be done on Seller Margins and be synced back to the platform ensuring minimal confusion for your customers and no more missed cancellations which can affect seller health metrics.
Products: Managing SKUs, product listings, and integration settings is streamlined through Seller Margins’ warehouse management system. Sellers can ensure product data remains synchronized across platforms to minimize listing errors. This ensures the correct courier labels are selected and any storage fees are correctly charged by your warehouse. This is where any use by dates can be inputted to ensure correct and efficient storage and picking.
Pick and Pack: Efficiently organize and manage picking runs, reducing errors and improving warehouse efficiency. The system for warehouse management ensures orders are picked and packed accurately, minimizing mispicks and shipping mistakes. Our pick runs can be batched based on many criteria from pick location, channel or order value ensuring your important orders are picked first. Your orders are also picked based on first in first out rules meaning that any perishable items still have a long use life once they reach your customer.
Goods In: Manage Advanced Shipping Notices (ASN) and inbound shipments with ease, ensuring accurate stock booking into the warehouse system. This prevents inventory discrepancies and helps maintain an optimized stock flow.
Returns: The returns management system ensures a seamless process for handling returned products, reducing revenue losses and enhancing customer satisfaction. No matter the volume of returns or size of your team you can keep on top of you return and know the status of them.
Settings & Integrations: Connect your Sellermargins and your store with over 125 couriers and marketplaces, ensuring automated order syncing, real-time tracking, and enhanced operational efficiency.

Inventory Insights: Maximizing Profitability with Warehouse Management Software
You don’t only need an effective warehouse management software, you need to ensure it is profitable. It isn’t just about tracking inventory—it’s about optimizing profitability. Seller Margins’ Inventory Insights dashboard provides deep analytical insights, allowing businesses to make data-driven decisions. This is included in all plans alongside our other profit analytics.
Inventory Value: Monitor current stock value and inbound stock value to adjust replenishment strategies. Cash Flow is King for any business. It is like fuel to your car. The profit analytics makes it clear if your cash is tied up in inventory and you can ensure you have enough to pay for the next shipment thanks to clear available data. Even the best cars cannot run without fuel.
Profitability Analysis: Gain insight into which products drive the most revenue and which have the highest margin, allowing you to adjust pricing, marketing, and replenishment strategies accordingly. You can use this injunction with the WMS to ensure you have the best courier rates and they are not affecting your bottom line.
By leveraging warehouse management software and profit analytics, businesses can avoid costly stock outs while ensuring capital isn’t tied up in slow-moving inventory.
Inventory Pro: Stock Replenishment and Demand Forecasting
Managing inventory efficiently requires a balance between demand forecasting, stock planning, and replenishment. Inventory Pro, Seller Margins’ advanced stock planning tool, offers a wide range of data and tools to help with this. If you never want to run out of stock again read our in depth blog here. Our Inventory Pro can be found in our growth packages and above it offers
Inventory Dashboard: A snapshot of key inventory stocking data allowing you to quickly identify issues and areas of growth for your business. The Inventory Pro Dashboard shows Overstocked, Understocked and Out of stock Skus as well as the sales rates to help you male replenishment decisions. It will also show you key inventory value metrics and where that value is located whether it is in transit or different warehouses across the globe.
Stock Replenishment: Identify optimal reorder dates to prevent both overstocking and stockouts as well as the SKUs and volumes you need to replenish to maximise your sales . Seller Margins uses Demand Forecasting which utilizes historical sales data, seasonality trends, and marketplace insights to predict future demand and recommend stock replenishments accordingly. Sellermargins links with selling platforms and your WMS for real time stock data. Afterall without stock you cannot make money.
FBA & FBM Optimization: The Demand Planning software within Seller Margins helps sellers tailor specific inventory strategies for Fulfilled by Amazon ( Amazon FBA) and Fulfilled by Merchant (FBM) models. Users can ensure FBA is stocked and your IPI score is always healthy and can implement safety stock rules so FBA is never over prioritized and effective.
Purchase Orders: Using Seller Margins replenishment tools you can create Purchase Orders (PO) that will automatically sync with Seller Margins WMS. Seller Margins has a dedicated PO Dashboard which allows you to create , Track and edit POs.
Custom Alerts: Using Seller Margins you can receive personalised notifications for stock outs or other key inventory events. Receive real time updates to avoid disruptions and ensure your stock is always in a healthy position for your business to grow.
Detailed Reports: Seller Margins offers a wide range of automated and downloadable reports. You can export a wide array of data into CSVs.
These tools help businesses reduce holding costs, improve fulfillment efficiency, and maximize profitability.

Alternatives: Using 3PL Software for E-commerce Growth
For e-commerce businesses looking to outsource fulfillment, third-party logistics (3PL) services can provide a streamlined alternative to in-house inventory management.
Why Consider a 3PL?
- Eliminates warehouse overhead costs.
- Provides faster shipping and expanded fulfillment capabilities.
- Allows businesses to scale without logistics constraints.
One such provider is PackPro Fulfillment, a 3PL software and logistics service that helps e-commerce sellers improve fulfillment efficiency and reduce shipping times.
Explore PackPro’s 3PL Services
Learn how Seller Margins and PackPro help e-commerce sellers grow
Using Seller Margins as a 3PL or Agency
Seller Margins is not just for individual sellers—it’s also designed for agencies and 3PL providers. By utilizing Seller Margins warehouse management software and inventory analytics tools, agencies can:
Manage multiple clients’ inventory across various marketplaces.
Automate order processing and fulfillment.
Provide advanced reporting to help clients make informed business decisions.
Whether you operate a 3PL business or manage inventory for clients, Seller Margins’ warehouse management system simplifies warehouse operations, reduces errors, and enhances overall efficiency.
Conclusion: Take Control of Your Inventory with Seller Margins
Effective inventory management is essential for scaling an e-commerce business. With Seller Margins’ WMS, Inventory Insights, and Inventory Pro, sellers can:
- Streamline warehouse operations with an advanced system for warehouse management.
- Optimize stock levels with demand forecasting and replenishment tools.
- Enhance profitability by reducing overstock and preventing stockouts.
- Leverage 3PL software for outsourced fulfillment solutions.
For sellers looking to take control of their inventory and maximize profitability, Seller Margins provides an all-in-one solution. Ready to optimize your e-commerce business?
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