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CAC by Channel: The Marketing Metric That Separates Winners from Losers

21 March 2025·Updated Oct 2025·8 min read·GuideIntermediate
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In this article
Key Takeaways

Most SMBs calculate blended CAC — total spend divided by total new customers — which hides massive variation between channels. Tracking CAC by channel reveals where each new customer is really coming from and what they cost.

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📊 By The Numbers
£4,000£50.£28£52£89
Key Takeaways
  • Most SMBs calculate blended CAC — total spend divided by total new customers — which hides massive variation between channels.
  • Tracking CAC by channel reveals where each new customer is really coming from and what they cost.

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