Selling on Walmart vs Amazon: What Really Differs
Less traffic, less competition, stricter price rules and a slower catalogue. Walmart is not a smaller Amazon, and treating it as one is why most expansions stall.
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Brands usually arrive at Walmart from Amazon, with an Amazon playbook, and the first quarter goes badly for reasons that have nothing to do with the product.
The two marketplaces sell the same goods to overlapping customers and behave differently in almost every way a seller has to operate.
Traffic and competition
Amazon has more traffic and far more competition. Walmart has less of both, and the ratio is the point: a listing that would be invisible on Amazon can hold a first page on Walmart.
That is the entire commercial case for the expansion, and it is a real one. It is also why the categories worth entering are the ones where your competitors have not bothered yet.
Price, which Walmart enforces
This is the difference that catches every new seller. Walmart compares your price against the same item elsewhere on the open web, your own website included, and a listing priced higher can be unpublished rather than simply ranked lower.
Amazon influences price through the buy box. Walmart enforces it through visibility. Running a promotion on your own store can take your Walmart listing off the site, which is not a sentence any Amazon playbook prepares somebody for.
The mechanics are in the advertising article only obliquely, and in practice this is the first thing to check when a listing stops selling.
The catalogue behaves differently
Walmart's catalogue is stricter about attributes and slower to reflect changes, so setup errors persist longer and are more painful to correct.
Variations, categorisation and item setup all reward getting it right the first time to a degree Amazon does not, because the fix cycle is measured in days rather than minutes.
Fees and fulfilment
Referral fees are broadly comparable by category, and the fulfilment economics are not: WFS bands, storage rates and return handling all differ from FBA, and a product that belongs in FBA does not automatically belong in WFS.
The delivery tag carries more weight on Walmart because fewer offers have it, which is the one place where the smaller marketplace gives the seller more leverage rather than less.
Advertising
Walmart Connect is younger, cheaper per click in most categories, and less sophisticated in what it lets you control. Both of those are advantages if you are early and a constraint once you need precision.
The reporting is thinner, which changes how decisions get made: with less granularity available, structure carries more of the load than optimisation does.
Reviews start from nothing
Amazon reviews do not come with you. A product with four hundred reviews on one marketplace arrives on the other with none, competing against listings that have some, and review velocity is slower because the traffic is lower.
That is worth planning for rather than discovering. Syndicated review programmes exist where the brand qualifies, and where they do not, the first quarter is a conversion problem rather than a visibility one: the listing gets seen and does not convert, and the fix is the imagery and the copy rather than the bid.
It also means the early advertising is buying reviews as much as revenue, which changes what an acceptable return looks like for the first few months.
What actually transfers
The product research, the supply chain, the customer service standards and the discipline. Those are worth everything and they move across intact.
The listing copy, the keyword set, the fulfilment decision and the advertising structure do not, and copying them is what produces a Walmart account that looks busy and sells nothing.
Inventory planning has to be one plan across both, because a unit committed to one marketplace is a unit the other cannot sell.
What we do with this
We run both, which is the only honest way to answer which channel a given brand should be putting stock into: Amazon account management and Walmart marketplace management under one plan rather than as two agencies with two opinions.
For brands also selling direct, the same question extends to a Shopify store, where the margin is best and the traffic has to be bought.
Keep reading
If you are deciding whether Walmart is worth the quarter it will cost, talk to us first.
Related reading: Walmart Pro Seller Tiers: What Rising, Advanced and Pro Require, Walmart Marketplace Returns: The Returns Insights Dashboard and What a Return Rate Costs, Walmart New-Seller Savings 2026: What the Offer Is Worth and How to Claim It, The Walmart+ Badge and Delivery Speed: What Walmart Now Pays For, Walmart Fulfillment Services: What WFS Changes, Walmart Inventory Management: The Numbers That Decide Visibility, Walmart Marketplace SEO: What the Search Actually Reads, Walmart Pricing Strategy: Why Your Listing Went Unpublished and Walmart Seller Reimbursements: What to Claim and When.
Frequently asked questions
The questions that come up most often on this subject.
Easier to be visible, harder to set up. There is less competition, so a decent listing can hold a first page that would be invisible on Amazon. The catalogue is stricter, the price rules are enforced rather than influenced, and the fix cycle is slower, so mistakes cost more time.
Considerably less, and considerably less competition with it. The ratio is what matters to a seller rather than the absolute number: a smaller share of a smaller audience can be worth more than an invisible listing on a larger one.
Most often because the same item is available cheaper elsewhere on the open web, which frequently means on your own website during a promotion. Walmart enforces price through visibility rather than through the buy box, and the comparison does not care that the cheaper seller is you.
Not directly. The search behaviour, the attribute requirements and the shopper vocabulary differ, and duplicated copy tends to underperform on both. The research transfers; the words should be rewritten.
Referral fees are broadly comparable by category. Fulfilment is where the difference lies, because WFS bands, storage rates and return handling are their own schedule, so the per unit economics have to be worked out separately rather than assumed from FBA.
Cost per click is lower in most categories, and the platform gives you less control and thinner reporting. That combination rewards being early and getting the structure right, and it frustrates anybody expecting the granularity Amazon offers.
If the supply chain can support it, usually yes, with one inventory plan across both. Stock committed to one marketplace is stock the other cannot sell, so the allocation decision matters more than the listing work once both are live.
Longer than the setup and shorter than Amazon took. Item setup and category approval are the slow parts, and the ranking builds from sales velocity the same way, from a lower base of competition.
Yes, and price and delivery speed weigh heavily in it. Because fewer offers carry a fast delivery promise, fulfilment choice moves buy box share more on Walmart than the equivalent decision does on Amazon.
Running it as a copy of the Amazon account. Same copy, same keywords, same fulfilment decision, same advertising structure, and no allowance for the price rules. It produces an account that looks busy in the dashboard and sells very little.
