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By Prem Gupta · November 10, 2025 · Curated by George's Blog
If you want to test Reserve Share of Voice SB campaigns, you need to do a thorough analysis of all your branded data. Review all your SB-branded keywords to understand how much they are spending each month, and use a 12-month date range to identify long-term branded spending trends.
These campaigns follow a different set of guidelines and requirements compared to standard SB campaigns.
Campaign Requirements
Campaign Duration: 30 to 92 days
Start Date: Must be 3 days to 3 months in the future (72 hours setup time)
Budget Minimum: $6,000 per campaign (fixed lifetime cost)
Keyword Count: Minimum 5, maximum 1,000 branded keywords
Match Type: Exact match only
Pricing: Fixed for the full campaign; calculated based on keyword set and duration
Cancellation: You may cancel up to 12 hours before start; after that, you’ll be billed in full
Keywords must be branded and unique to your brand, mapped to a relevant ad within 14 days of campaign start, and can exist in only one campaign or ad group; unmapped keywords are removed after 14 days, cannot be re-added, and you’ll still be charged for that period.
Amazon may reject keywords if your brand is not in Brand Registry, the keyword is too broad, non-branded, misspelled, or includes multiple/other brands, or your brand is not linked to the advertiser account; while rejections can be appealed, note that if your account is suspended, ads stop but the full fixed fee still applies, and any removed keywords lower total cost but cannot be restored.
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