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How To Fix The Most Common Bid Cap & Cost Cap Mistake I See

The Andrew Faris Podcast · June 25, 2026 · 35 min

Summary

High-volume advertisers using Meta Ads bid caps or cost caps often make a critical mistake: failing to account for Average Order Value (AOV) differences across products within the same ad set. This leads to Meta disproportionately spending on lower-AOV SKUs, negatively impacting overall ROAS and profitability. This episode reveals this common pitfall and provides actionable strategies to restructure ad sets and manual bids for optimized spend and higher-value conversions.

Key takeaways

Themes

paid acquisitionanalytics & attribution

Topics covered

meta ads bid capsmeta ads cost capsaverage order value (aov)return on ad spend (roas)cpa targetingfacebook ad account structure

Episode description

FOLLOW UP WITH ANDREWX: https://x.com/andrewjfarisEmail: podcast@ajfgrowth.comWork With AJF Growth: https://ajfgrowth.comMORE STAFFINGRecruit, onboard, and train incredible virtual professionals in the Philippines with my friends at More Staffing by visiting https://morestaffing.co/af.INTELLIGEMSIntelligems brings A/B testing to business decisions beyond copy and design. Test your pricing, shipping charges, free shipping thresholds, offers, SaaS tools, and more by clicking here: https://bit.ly/42DcmFl. Get 20% off the first 3 months with code FARIS20.

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Frequently asked about this episode

What does this episode say about paid acquisition?
Separate products with significantly different AOVs into distinct ad sets when using bid or cost caps, even within the same CBO campaign, to ensure Meta allocates spend appropriately.
What does this episode say about analytics & attribution?
When setting bid or cost caps, always judge them against the AOV to cap ratio (which reflects ROAS), not just a raw CPA or CAC target, especially for brands with multiple products.
What does this episode say about paid acquisition?
Be aware that Meta’s highest volume optimization with bid/cost caps does not inherently consider product AOV; manual intervention is required to prevent overspending on less profitable items.
What does this episode say about paid acquisition?
Implement manual bids on individual ad sets (separated by AOV-similar products) within a CBO campaign to guide Meta's spending towards higher-value SKUs and maximize overall account profitability.
What does this episode say about paid acquisition?
Regularly audit your ad account for AOV distribution within ad sets, as even slight AOV differences (e.g., $80 vs. $100) can significantly impact ROAS and volume allocation when using caps.

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