Growth metrics
Blended CAC vs channel CAC
Blended CAC and channel CAC answer different questions. Strong operators use both, but they do not confuse them.
7 min read
Blended CAC shows the overall picture
Blended CAC helps leadership understand whether total acquisition spend is efficient across the business.
- Useful for board reporting
- Good for high-level trend review
- Can hide channel problems
Channel CAC shows where spend works
Channel CAC helps growth teams compare Meta, Google, TikTok, affiliates, influencers, and other acquisition sources.
- Useful for budget shifts
- Requires clean attribution rules
- Needs profit context
Profit makes CAC actionable
A CAC target should be tied to margin and payback. Otherwise the team may chase cheap customers who do not create profit.
- Compare CAC to contribution profit
- Track payback by cohort
- Review repeat purchase quality
Put it to work
Turn the guide into a profit operating view.
MarginCore connects ecommerce sales, ad spend, COGS, fees, refunds, and operational adjustments so teams can review profit with less spreadsheet cleanup.