
How to Calculate Ad Spend Efficiency Beyond ROAS (CAC, LTV, MER)
ROAS alone misses the full picture. Learn how to calculate CAC, LTV/CAC ratio, MER, and contribution margin to measure true ad spend efficiency in 2026.
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ROAS alone misses the full picture. Learn how to calculate CAC, LTV/CAC ratio, MER, and contribution margin to measure true ad spend efficiency in 2026.