Sales are flat. Someone in the business, or worse, an agency pitching for the account, says the answer is obvious: run more ads. Bigger budget, more campaigns, more visibility. Problem solved.

Six weeks later the spend has doubled and the sales haven't. Now you're searching for why your Amazon ads are not working, and the honest answer is one very few agencies will give you.

The ads are probably fine. They're pouring into something that leaks.

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Ads are water. Your listing is the bucket.

Think of every pound of ad spend as water and your listing as the bucket it pours into. If the bucket is sound, more water means a fuller bucket. If it's full of holes, more water just means a wetter floor.

Amazon ads do one thing well: they buy a shopper's attention and deliver them to your listing. That's where the ad's job ends. Whether the visit becomes an order is decided entirely by what they find when they land. A weak listing still lets the ads do their job perfectly: delivering shopper after shopper to a page that talks them out of buying.

This is why raising the budget on a struggling account so often makes things worse. You're not fixing the leak. You're paying to run the tap harder over it.

The five holes we find most often

Almost every leaking account we've taken over had some combination of the same problems. Main image indistinguishable from six competitors in the search grid. No A+ content below the fold. Ads targeting keywords the product can't honestly win. A handful of reviews against rivals with thousands. And a buy box price bouncing around because nobody controls who sells on the listing.

Any one of these leaks on its own. Together they compound, because the shopper reads the whole page as one impression of the brand. A sharp main image gets the click, then thin content below the fold undoes it. Strong A+ content builds the case and a review count of eleven takes it apart again. The ad paid full price for that visit either way.

The last hole on the list deserves a moment of its own, because it's the one nobody audits for. If unauthorised resellers keep undercutting the price, shoppers see a listing that can't make its mind up about what the product is worth. Some hesitate. Some wait for it to drop further. Your conversion rate wobbles and your ads pay for every wobble. We've written more about that mechanism in our piece on why your Amazon price keeps falling, and it's the reason we keep saying most brands' Amazon problem is a control problem dressed up as a marketing one. Ad spend can't buy back control.

If your Amazon ads are not working, check where the click lands

One simple test. Pull up your conversion rate by ASIN in Seller Central, under Business Reports, and compare paid traffic against your category's norms. If shoppers who searched for exactly what you sell are landing on your page and leaving, the click was fine. The destination failed.

We saw this play out with a consumer brand in a certified category. The product was genuinely better than the alternatives, yet it was losing on Amazon to cheaper rivals with none of the certification. The instinct would have been to outspend them. Instead we rebuilt the listing so it actually said why the product was superior, then put ad money behind it. Sales rose 88% in under twelve weeks, and the product climbed into its category's top ten inside a month.

Same product. Same marketplace. All that changed was where the budget landed.

We saw it again with a personal care brand whose flagship listing we had to reclaim and rebuild from scratch. Once the foundations were right, advertising ran at a 7.2 ROAS. That kind of number owes nothing to clever bidding. It's what happens when the click finally has a chance.

Fix the bucket, then turn up the tap

The order of operations matters more than the size of the spend. Get the channel under control first, so one seller holds the buy box and the price holds still. Then make the listing worth landing on: a main image that wins the search grid, secondary images that answer real objections, A+ content that sets honest expectations, enough reviews to feel safe.

Only then does it make sense to scale the advertising, because now every incremental click lands on a page built to convert it. The same daily budget suddenly buys orders instead of visits.

Brands get this backwards constantly, and it's expensive in both directions. They overspend on ads while the listing leaks, then conclude Amazon "doesn't work" and underspend later, when the foundations are finally solid and the ads would genuinely compound.

One honest aside while we're here. The opposite failure exists too. Some brands fix everything, then strangle the ads chasing a vanity ACoS and wonder why growth stalls. A very low ACoS often signals under-investment, not efficiency. We've unpacked that in our piece on the PPC advice that's quietly costing you money.

Audit your own holes before you spend another pound

You can do the first pass yourself in an hour. Look at your listing the way a stranger would and ask a few blunt questions.

• Would your main image stop a thumb, at phone size, next to six competitors?
• Does anything below the fold answer the question "why this one and not the cheaper one"?
• Do your reviews, count and score, feel safe next to the rivals your ads sit beside?
• Can you name every seller currently on your listing, and did you authorise them?

If any answer makes you wince, that's the hole, and it's cheaper to fix than the ad budget you were about to approve. Content is mostly a one-off cost. Wasted clicks are a subscription.

None of this means ads don't matter. They matter enormously, and later in the sequence they're often the main growth lever, which is exactly why we ring-fence proper ad budgets for the brands we run. It's also why we protect that spend so fiercely from waste, right down to auditing individual search terms before every big trading event. But spend only ever multiplies. Multiply a broken page and you get a bigger broken result.

Before you raise another bid, it's worth checking whether the click ever had a chance. Take an honest hour with the four questions above. And if you'd rather not mark your own homework, we'll do the hour with you before you sign off the budget.

Have us check the bucket