Refine is a filtering step inside Manual Product Targeting (Category vs. Individual ASIN)'s category targeting: once a category is selected as a PPC target, Refine narrows it to a smaller, more winnable subset using up to four filters — brand, price range, review star rating, and shipping (Prime/non-Prime eligibility).
Filters can be combined (e.g., price + rating), but each added filter shrinks the reachable audience — stacking too many risks starving the campaign of impressions. If a refined category campaign gets too few impressions, the fix is dropping to a single filter or loosening the range, not abandoning the tactic.
Net effect: Refine turns broad category targeting into a targeted 'sniping' tool that isolates specific competitors your listing is likely to beat on price or rating, rather than blanketing an entire category.
Refining a category-targeting campaign on more than one filter simultaneously — e.g. price AND rating at the same time, to show only competitors that are both pricier and lower-rated — can shrink the eligible target pool too far to generate meaningful volume. Refining on a single axis (price OR rating) generally leaves a large enough pool while still improving the campaign's comparative position.
When using 'Refine' (not 'Add') to restrict a category-targeting campaign to competitors rated below your star rating and/or priced above your price, stack only one axis (price OR rating) at a time. Filtering on both simultaneously shrinks the eligible target pool too aggressively and reportedly hurts campaign performance.
A live audit recommended manual Product Attribute Targeting refined by category combined with competitor ASIN attributes — price, Prime badge, and star rating — specifically to identify 'switchers': shoppers comparing options within a category who might defect from a lower-rated or non-Prime competitor. This pairs the category filter with the Switchers Tactic (Product Targeting by Competitor Star-Rating Gap) logic rather than using either in isolation.
Из тем: PPC Campaign Structure & Bidding