How often should I harvest keywords from Amazon PPC?
Weekly for active accounts, bi-weekly for smaller ones. Pull the search-term report from the last 7 to 14 days, promote high-converting search terms into exact-match campaigns, and add wasteful ones as negatives. Any longer than 2 weeks and you burn budget on losers.
Jul 26, 2026 · 3 min read
The weekly loop
Pull search-term report. Flag terms with 10+ clicks and CVR at least half your SKU average as promotion candidates. Flag terms with 15+ clicks and 0 orders as negative candidates.
Harvesting is faster when the query list is already ranked by market share, as in Nova's SQP view.
Where sellers over-harvest
Do not promote a search term after 3 clicks. The signal is not real. Do not negative-match everything with a bad ACoS in week 1; give converting terms 2 to 4 weeks unless spend is runaway.
Frequently asked questions
Should I use negative exact or negative phrase?
Negative exact for one-off wasted terms. Negative phrase for whole themes of irrelevant queries.
Do I harvest from auto and broad only?
Yes, mostly. Exact campaigns already run on the winning terms.
Can I automate harvesting?
Yes. Rules-based tools do the mechanics well. Keep human review on the final promote list.
See this in Nova
Nova surfaces this metric per SKU so you can act before your next monthly close catches it.
Try Nova free for 14 days