The question we hear most from brands expanding into marketplaces is not whether to sell on Amazon or Walmart, but which one to prioritize first when resources are limited. The honest answer depends less on which platform is “better” and more on what your catalog and margins can support.
Amazon rewards sellers who can compete on ad spend and review velocity. Its customer base is larger and the competition is fiercer, which means new listings need a real launch budget to gain traction. Walmart’s marketplace is smaller but growing quickly, with materially lower advertising costs and less saturated categories, which can make it the faster path to profitability for brands entering with a limited budget.
Catalog fit matters too. Household goods, grocery-adjacent products and value-oriented categories tend to perform well on Walmart, reflecting its core shopper base. Higher-consideration and impulse categories still skew toward Amazon’s audience and search behavior.
Our general recommendation for brands with a single operations team: prove the model on the platform your catalog fits best, build repeatable playbooks for content and advertising, then expand to the second marketplace once the first is generating consistent, profitable volume.