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Originally published on July 31, 2023

Choosing the Right Platform: Selling on Amazon VS Walmart.com

Written in partnership with SellCord. Amazon has long been recognized as the dominant force in the e-commerce industry, revolutionizing the way people shop online and setting new standards for customer convenience and satisfaction. However, in recent years, Walmart has rapidly emerged as a strong competitor to Amazon’s dominance, challenging its position and reshaping the e-commerce […]
Marketplace seller using a tablet to receive inventory and review orders. Image by Freepik

Written in partnership with SellCord.

Amazon has long been recognized as the dominant force in the e-commerce industry, revolutionizing the way people shop online and setting new standards for customer convenience and satisfaction. However, in recent years, Walmart has rapidly emerged as a strong competitor to Amazon’s dominance, challenging its position and reshaping the e-commerce landscape.

In 2022, Amazon boasted $50.9B in total ecommerce sales compared to Walmart’s $19.2B. However, Walmart saw year-over-year e-commerce sales growth in the U.S. of 11.98%, making it the fastest-growing online marketplace today. Their retail dominance plays a factor too, since selling on Walmart.com can be a great way to get your product onto Walmart’s shelves. With 4,630 stores in the United States alone, the potential is massive. 

Combined with the fact that Walmart’s Marketplace is less competitive among sellers (more on that below), there’s no surprise that a growing number of Amazon sellers are thinking about expanding their reach to Walmart’s marketplace as the platform should continue to narrow the gap in the coming years. 

While both platforms offer tremendous opportunities, understanding the unique characteristics of each is crucial if you want to thrive. We’ll go over some of the key differences, helping you decide if selling on Walmart.com is the right choice for your business.

Seller Requirements and Onboarding

The requirements for becoming a seller on Walmart and Amazon differ significantly. Amazon employs a relatively straightforward process, allowing individual sellers to register and start selling quickly. In contrast, Walmart has a more selective approach, with a stringent vetting process for third-party sellers. They prioritize established businesses with proven track records and often require sellers to go through a detailed application process.

This rigorous onboarding process at Walmart ensures a curated marketplace, enhancing trust and credibility for sellers and customers alike for Walmart’s extensive and loyal customer base. While Amazon has 6.3M third-party sellers, Walmart only has around 150,000, making it significantly easier for merchants to carve out niches for themselves on the platform and bring in additional revenue.

The approval process for selling on Walmart can be rigorous and time-consuming for those new to the industry, but if you already have a proven track record on Amazon, you will have an advantage since you already have all of your requirements in order. 

Of course, this also means that it’s critically important to maintain good seller metrics once you’re on the platform. That means minimizing order cancellations, refund rates, late deliveries, and other demerits. Most of the time, these are caused by a lack of a good order management system, so it’s important to stay on top of your numbers. 

Fulfillment Options

A woman uses a barcode scanner to fulfill an order. Image by Freepik

Both Amazon and Walmart provide fulfillment services, namely Fulfillment by Amazon (FBA) and Walmart Fulfillment Services (WFS), respectively. However, there are differences in how these services operate. FBA offers sellers the advantage of leveraging Amazon’s extensive logistics network, including warehousing, inventory management, and shipping. 

Walmart’s WFS is still evolving, with its primary focus on providing competitive shipping rates to sellers at the moment, but the potential is great; Walmart can leverage its existing massive chain of stores to serve as fulfillment locations as well. While FBA has a well-established reputation, WFS offers the potential for cost savings and improved control over the fulfillment process. The good news is that Walmart’s selling fees are simpler than Amazon’s:

Amazon – You pay $39.99 a month for their Professional selling plan, and there’s a referral fee on each sale, usually amounting to 8% to 15% (with some categories being as high as 20%). Some categories even have separate service or variable closing fees, not to mention the FBA fulfillment fees, label service fees, and other related services that can quickly inflate your costs if you don’t have a good understanding of how they work.

Walmart – No monthly or onboarding fees to worry about, you only have to pay the referral fees, which are comparable to Amazon’s. The Walmart Fulfillment Services (WFS) are quite straightforward and easy to understand compared to FBA, plus they have a fee calculator to help you get accurate estimates on storage and fulfillment costs.

Walmart has partnerships with major carriers, so you can get good rates on inbound shipments, similar to Amazon. Aside from that, Walmart is rolling out their new Inventory Transfer Services (ITS), which will allow sellers to send their products to one centralized location to simplify their logistics, improve inventory availability, and offer faster shipping times. This helps make it possible to offer two-day or same-day shipping for more products.

Walmart’s accessibility and services, combined with a good inventory management system, will allow you to spend less time wrangling your inventory and more time on actually running your business. 

Advertising on the Platform

Walmart Sponsored Search is the retail giant’s answer to Amazon Sponsored Products. While both are PPC advertising programs, there are a number of key differences that even experienced sellers need to pay attention to. 

1. Content Quality – Walmart places a much greater emphasis on content quality. It analyzes listings and prioritizes those with a Listing Quality Score of over 60% when serving an ad. This rewards sellers who invest in expertly-crafted copy and proper optimization (as opposed to cruder tactics like mass keyword stuffing).

2. Ad Types – Amazon has more spaces for ads across their pages to cater to every stage of the buying cycle, while Walmart tends to have more organic results. There are also fewer keyword targeting options on Walmart – don’t expect product-specific targeting, for instance. Fortunately, the number of sellers making use of Walmart Sponsored Search is still comparatively low, so there is not much competition over the limited ad spots.

3. Campaign Control – One of the positives of selling on Walmart is that you have more control over the ad placements. By using the Manual campaign option, you can choose to exclude search carousel ads or buy box ads if you wish. Not only that, you can even use bid modifiers on the device level, ensuring your ads show up on the platform that matters most to you.

4. Ranking – Ranking for high-volume keywords on Amazon can be very competitive and expensive, especially if you’re targeting the top keywords. On Walmart, you can get to the top of the search results relatively easily if your listing is optimized well and you have a good PPC strategy.

Conclusion

Knowing the key differences between selling on Walmart and Amazon is crucial for any business looking to establish a successful online presence and diversify its sales channels. While both platforms offer immense opportunities, they have distinct characteristics that can significantly impact a seller’s strategy and success.

Ultimately, sellers must evaluate their business goals, target audience, product catalog, and advertising needs to determine the most suitable platform for their online sales. Adapting strategies to the unique features and requirements of Walmart and Amazon can maximize sales potential and help businesses thrive in the competitive world of e-commerce.

There are always going to be hurdles and initial growing pains when you’re starting on a new platform, but these are well worth it. Walmart is a rapidly growing marketplace with very low-cost advertising, and selling on their platform can even help get your brand into their stores. The potential upsides are an attractive proposition for sellers of any size. If you don’t know where to start, however, or if you simply need some extra assistance with the day-to-day tasks of running your Walmart business, our team can step in.

SellCord is a Walmart-approved partner agency exclusively focused on launching and managing brands on Walmart.com. We work with hundreds of brands across all categories, assisting them with the onboarding stage, setting up their product listings, managing their ad campaigns, and more. As a team of experienced sellers ourselves, we gained a deep understanding of what works best on the marketplace, and we help others replicate that same success.

Michael Lebhar, CEO and Co-Founder, SellCord

Michael Lebhar is an accomplished entrepreneur and ecommerce specialist. He has been selling on Amazon since the 10th grade, and like many others, he fell in love with the process of growing a brand from the ground up. Now he is focusing on Walmart.com, where he has seen a lot of success with his own brands as well as scaling hundreds of clients’ brands on the marketplace.

“The core of maturity, that I see, is starting with a unified view of inventory. I’ve got to be able to accurately represent what do I have, make sure that I know where it’s located so I can get it to my customers quickly.”

— Troy Graham, Descartes

What is the first thing I should fix if I want to scale operations?

Start with a unified view of inventory. The core of maturity starts with being able to accurately represent what you do have and make sure that you know where it’s located to get it to customers quickly. Without a unified view across your warehouses, 3PLs, and vendors, you cannot make the best decisions because you don’t have the best information at hand.

With Inventory Visibility, Businesses Can Make Smarter Allocation Decisions

Once inventory is centralized, businesses can move from reactive updates to intentional allocation. They can decide how much inventory to expose to each channel, when to use buffers, which marketplaces need extra protection, and how seasonality or campaign performance influence availability.

Once I know what inventory I have, how should I decide where to make it available?

Inventory allocation should reflect where orders are coming from, where marketing is working, and which channels carry the most risk. Once you know what you have and where it is located, you can think more strategically using centralized inventory to make prioritization happen automatically. One fertilizer company lost a little over 5,000 orders in one weekend because someone manually uploaded the wrong available inventory to Amazon.

Better Inventory Data Improves Planning, Purchasing, and Growth Bets

Better visibility turns inventory data into a planning tool. With insight into sales velocity, inventory levels, vendors, and channel performance, businesses can make more informed replenishment decisions, avoid overbuying, and test new product lines or vendor-supplied inventory without taking on unnecessary risk.

“You have to have unified inventory to know how to price your products just at that basic level. I can’t price my products if I don’t know the true cost to get it.”

— Mike Bernico, Flxpoint

How does better inventory data help me make smarter buying decisions?

It lets you measure whether your plan is working before you commit more capital. A key question becomes: “Did my plan work? Am I overleveraged in one place or another?” Centralized systems can also help businesses test new product lines or vendor relationships by looking at sales velocity by channel, allowing them to take risks in a calculated and measured way.

Intelligent Order Routing Turns Inventory Complexity Into Automation

Once inventory and supplier data are reliable, businesses can automate fulfillment decisions. Orders can be routed based on cost, speed, margin, location, warehouse priority, vendor fallback, split-shipment rules, or customer expectations. This helps hybrid fulfillment scale because every order does not need a manual review.

How do I decide the best way to fulfill each order?

There is no single answer, which is why order routing needs to account for the context of each order. Intelligent order routing is not just sending an order to someone who has stock; it is taking each and every order and treating it like its own unique use case. Depending on the order, the business may prioritize speed, margin, an internal warehouse, vendor fallback, or preventing split shipments.

Supplier Inventory Sync Extends Inventory Beyond the Four Walls

For hybrid fulfillment to work, supplier inventory needs to become part of the operating model. Supplier sync does not always require advanced technology; it can happen through automated files, FTP, email, APIs, EDI, or ecommerce storefront integrations. The key is replacing manual updates with automated, reliable supplier data.

Can supplier inventory really be treated like part of my own inventory?

Yes, but the goal is not necessarily to force every supplier into a complex integration. Real-time supplier sync can be defined as any way to get an automated update from a supplier, such as Google Sheets, email, FTP, API, EDI, or ecommerce storefront connections. The key is that accurate supplier stock is foundational. If you don’t have an accurate view of what is in stock with your suppliers, you cannot tell your sales channel accurately what’s available.

Exception-Based Workflows Keep Humans Focused Where They Matter

Automation does not remove people from the process. Mature operations let technology handle the routine majority while humans focus on exceptions, such as high-value orders, fraud risk, compliance requirements, restricted products, export rules, or unusual fulfillment scenarios.

If my business has special cases, can automation still work?

Yes. The point is not to automate every possible decision; it is to automate the routine work and surface the exceptions. Businesses should not have to look at every single order. Instead, technology can highlight high-value orders, risky locations, or compliance requirements. The goal is to take care of the 80% of workflows that are obvious while still allowing human review when specific exceptions arise.

The Right Inventory Technology Should Fit the Business, Not Overwhelm It

Software decisions should be based on business fit, not popularity, feature volume, or broad “all-in-one” promises. Growing ecommerce businesses should identify their highest-impact bottleneck, prioritize what matters now, and choose technology that is right-sized but flexible enough to support future phases of growth.

How should I choose software without overbuying or picking the wrong system?

Start with your priorities, not the biggest feature list. Avoid an all-in-one system that claims to “do everything under the sun” and look for a “best of breed approach” with systems that can scale as you add channels or vendors. The practical advice is to stack rank what matters now, make sure the system can support future phases, and choose technology that fits your business rather than overwhelming it.

How to Scale Ecommerce Operations Beyond Spreadsheets

For many growing ecommerce businesses, Finale and Flxpoint work together as a practical answer to these challenges. Finale helps centralize and manage internal inventory, purchasing, warehouse operations, and stock visibility, while Flxpoint helps connect vendor inventory, automate supplier sync, and route orders across hybrid fulfillment networks. Together, they give businesses a best-of-breed way to improve inventory accuracy, reduce spreadsheet work, and scale fulfillment without forcing every process into a one-size-fits-all system.

Ecommerce Fulfillment Operations FAQ

What Is Ecommerce Fulfillment Operations?

Ecommerce fulfillment operations are the processes that move an online order from purchase to delivery. This includes managing inventory, syncing product availability across channels, routing orders to the right warehouse, 3PL, supplier, or vendor, and making sure the customer receives the right product on time. As discussed in the webinar, fulfillment is no longer limited to “what’s in my warehouse these days”; growing businesses may rely on internal warehouses, 3PLs, marketplace fulfillment services, and supplier inventory at the same time.

What Are Ecommerce Fulfillment Operation Examples?

Examples of ecommerce fulfillment operations include updating inventory across Shopify, Amazon, Walmart, and other sales channels; allocating inventory to specific marketplaces; sending orders to an internal warehouse, 3PL, or vendor; syncing supplier inventory through files, APIs, EDI, email, or FTP; replenishing warehouse stock based on sales velocity; and flagging exceptions such as high-value orders, compliance requirements, or restricted products. In the webinar, the speakers also discussed hybrid fulfillment examples where a business may fulfill some products from its own warehouse and use vendors as a fallback or extension of available inventory.

How Can I Track My Inventory at an Ecommerce Fulfillment Center?

The best way to track inventory at an ecommerce fulfillment center is to create a unified inventory view that shows what is available, where it is located, and how that inventory connects to each sales channel. That means tracking inventory across internal warehouses, fulfillment centers, 3PLs, marketplace fulfillment programs, and supplier locations instead of relying on disconnected spreadsheets. The webinar emphasized that businesses need to “accurately represent” what they have and know where it is located so they can get products to customers quickly.

How Can I Connect My Inventory to My Supplier?

You can connect supplier inventory through several methods, depending on what the supplier supports. The webinar discussed low-tech and advanced options, including automated Excel or CSV files, Google Sheets, email updates, FTP servers, APIs, EDI, and direct connections to ecommerce storefronts such as Shopify, BigCommerce, or Magento. The key is to ask suppliers how they share inventory today, then use a system that can automate that data flow instead of manually copying supplier inventory into spreadsheets.

What Is Ecommerce Order Routing?

Ecommerce order routing is the process of deciding where an order is fulfilled from after a customer buys. In a simple operation, every order may go to one warehouse. In a more complex or hybrid fulfillment model, the best fulfillment source may depend on inventory availability, shipping speed, cost, margin, customer location, warehouse priority, vendor fallback rules, or whether the order should be split. The webinar described intelligent order routing as treating each order like its own use case, so businesses can automate the best fulfillment decision without manually reviewing every order.

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