I am trying to optimize my auto PPC campaign. Right now, I have a very high ACoS and found out that my ads are mostly showing up on product pages and converting poorly there. I have the recommended bid for close match.
Increase the base bid aggressively to target top placements. If you lower the base bid and increase the Top of Search modifier, it usually doesn’t work as well because the first signal Amazon evaluates is the base bid.
It’s better to increase the base bids in a new campaign and pause this one for 4–5 days to test performance. If the new setup doesn’t work, you’ll still have this campaign as a backup.
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Lower bids for product pages to reduce spend increase bids or multipliers for top-of-search placements to capture high-converting traffic.
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You should do negative targeting in your campaign and also add manual campaigns as well on low bids initially.
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Use Chatgpt and drop screen shots of campaign results on particular ASIN once per week. Chat has my auto/manual campaign dialed in.
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You need to work on ranking your campaigns.
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The advice here is split because it depends on something nobody’s asked yet. What’s actually showing up in your product page placements?
Before touching bids, pull your search term report and filter for product page placements specifically. You’ll see whether your ads are showing on competitor listings (which can convert well if your price/reviews are competitive) or on completely unrelated products (which is where the wasted spend usually hides in auto campaigns).
If it’s mostly irrelevant placements: negative ASIN targeting is your first move, not bid changes. You can negate specific ASINs that keep eating budget without converting.
If it’s relevant competitor pages but still not converting: that’s a listing problem, not a bid problem. Your main image or price isn’t competitive enough to win the click in that context.
Once you’ve cleaned up the targeting, then the placement modifier question becomes useful.
But cranking up base bid without knowing where your spend is going just scales the same problem.
Full disclosure - I’m building a PPC monitoring tool so I think about this stuff constantly, take with a grain of salt. But the search term report step costs nothing and will tell you exactly what to do next.