Walmart Marketplace: the quieter Amazon
Walmart's third-party marketplace has a fraction of Amazon's seller count. That means less competition per listing, but it gates who gets in.
Treat it as an expansion channel for a proven US catalog, not a place to launch your first product.
Fastest path: one prompt, end to end
🤖 AI prompt — paste into ChatGPT / Claude
You are a marketplace strategist. Use MY facts only; do not guess.
My business: [what you sell], based in [country], selling mainly to [region]
Catalog maturity: [# SKUs, months selling, any Amazon/Shopify sales history + rough revenue]
Fulfillment today: [self-ship / 3PL / Amazon FBA]
Do this:
1. Judge whether Walmart Marketplace fits ME right now. Walmart approves sellers via a gated application (unlike Amazon's open signup) and favors established US-focused sellers with a track record. Say fit / not-yet / no and why.
2. If not-yet, tell me the 2-3 things to fix first (US sales proof, GTIN/UPC catalog, reliable fulfillment).
3. Compare Walmart Fulfillment Services (WFS) vs my current fulfillment for cost and Buy Box priority. Open walmart.com/marketplace and marketplace.walmart.com to read current fee/eligibility terms; if you cannot browse, say so and tell me to confirm the numbers from Walmart Seller Center.
4. Give me a go/no-go and the single next action.
If a number or fact is missing, ask me; never invent fees or approval odds.
Output: fit verdict + gaps to fix + WFS vs current + one next action.
Or do it in 4 steps
- Check you clear the gate. Walmart reviews applications and leans toward sellers with a US business presence, tax ID, GTIN/UPC-backed catalog, and a fulfillment track record. First-time sellers with no history usually stall here, that is by design and it is also why competition per listing is lower.
- Bring a proven catalog, not a test. The channel rewards SKUs that already sell somewhere (Amazon, your own store). Porting winners over is the play; using Walmart to validate a brand-new product is not, because approval and setup overhead is too high for an unproven item.
- Price for Walmart's shopper and Buy Box. Walmart's audience is price-sensitive and the Buy Box heavily weights price and fulfillment speed. Re-run your margins at Walmart's fee schedule before you list, do not just mirror your Amazon price.
- Decide on WFS deliberately. Walmart Fulfillment Services can lift you into fast, Buy-Box-favored delivery, but it is a cost and an inventory commitment. Model it against your current 3PL or FBA before opting in.
Worked example (labeled): a US kitchenware brand with 18 months on Amazon, 40 SKUs, and steady reviews applies to Walmart. It gets approved in a couple of weeks and ports its 10 best-sellers. Because far fewer sellers list the same items, those listings surface without the ad spend Amazon demanded.
A first-time seller with one unlaunched SKU and no US sales history, by contrast, would likely be declined or drown in setup. That's the wrong first channel for them.
Walmart is an expansion move for a proven US catalog. If you are still validating your first product, start where signup is open and come back once you have sales to port.