Your Amazon numbers are now the first thing a buyer checks. Here is what they are looking for.
A buyer used to ask for a sell sheet. Now they pull up your Amazon listing before the meeting even starts. What they see there is either the strongest evidence in the room or the reason the meeting ends early.
Marketplace performance has become a de facto pre-screen for physical retail conversations, whether or not a buyer says so out loud. It is public, it is checkable in five minutes before a meeting, and it answers questions a sell sheet cannot: does this item convert, does the brand keep it in stock, and does the brand actually control its own listing.
That cuts both ways. Strong marketplace numbers can do real work in a buyer conversation. Weak ones, out-of-stocks, a lost buy box, an unusually high advertising cost of sales relative to revenue, can quietly disqualify a brand before the meeting even happens, because a buyer reads marketplace instability as a preview of what will happen once your item is also sitting on their shelf.
The five gates worth clearing before you use marketplace data in a pitch
| Gate | Target | What it signals to a buyer |
|---|---|---|
| TACoS (total advertising cost of sales) | Below roughly 18% for brands under $10M in revenue | The product sells on demand, not purely on ad subsidy |
| Hero SKU conversion rate | Beating the category median | The listing and the product both convert real intent |
| In-stock rate | 95% or higher | You can actually supply a retailer without chronic stockouts |
| Buy Box ownership | 95% or higher | You control your own pricing and listing, not a reseller |
| Dedicated operational capacity | A named person or team owns marketplace ops | The brand will not drop the ball once retail adds complexity |
Why Walmart Marketplace is a stricter test than Amazon, not a lighter one
A common assumption is that Walmart Marketplace is an easier or secondary channel compared to Amazon. In practice it tends to punish poor inventory, pricing and fulfillment execution more severely, not less, which makes it a genuinely useful diagnostic: a brand with a shaky Amazon operation should expect Walmart Marketplace to expose that faster, not paper over it. The correct sequence is to use Amazon to establish product-market fit and organic rank first, then treat Walmart Marketplace as an incremental, harder test layered on top, not a fallback for a struggling Amazon business.
Walmart Marketplace is not where you go when Amazon is not working. It is where the same problems get more expensive faster.
What to fix before your next buyer meeting, not during it
If a category buyer is going to check your Amazon listing before the call regardless of what is in your deck, the highest-leverage retail readiness work available to most brands right now is entirely inside their own marketplace operation, not a new pitch deck. In-stock rate and Buy Box ownership are the two gates most likely to be silently failing without anyone noticing, and both are fixable in weeks, not quarters.
Questions founders ask
Do retail buyers actually check Amazon sales data before a meeting?
Increasingly yes. Marketplace performance is public and checkable in minutes, and buyers use it as a pre-screen for velocity, in-stock reliability and listing control before a physical retail conversation even begins.
What is a healthy TACoS benchmark before pursuing retail?
Roughly below 18% for brands under $10 million in revenue is a commonly cited target, since it signals the product converts on organic demand rather than being almost entirely propped up by advertising spend.
Is Walmart Marketplace easier to succeed on than Amazon?
Generally no. Walmart Marketplace tends to punish weak inventory, pricing and fulfillment execution more severely than Amazon does, which makes it a stricter test rather than an easier fallback channel.
What is Buy Box ownership and why does it matter to a retail buyer?
Buy Box ownership refers to controlling the primary purchase button on your own listing rather than a reseller. A rate below roughly 95% suggests the brand does not fully control its own pricing and distribution online, which is a signal buyers read carefully before a physical retail conversation.