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skills/roi-benchmark-library/SKILL.md

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+---
+name: roi-benchmark-library
+description: Reference benchmarks for CAC, CPL, ROAS, and payback across channels
+  and segments.
+---
+
+# ROI Benchmark Library Skill
+
+## When to Use
+- Comparing current performance vs historical or industry benchmarks.
+- Setting guardrails for budgeting, pacing, and campaign approvals.
+- Equipping finance/marketing leaders with realistic ROI expectations.
+
+## Framework
+1. **Benchmark Sources** – internal history, partner data, analyst reports, industry surveys.
+2. **Segmentation** – channel, region, persona, product, funnel stage.
+3. **Metric Definitions** – CAC, CPL, ROAS, payback, pipeline-to-spend, revenue-to-spend.
+4. **Update Cadence** – monthly for active channels, quarterly for strategic benchmarks.
+5. **Usage Guidance** – when to escalate variances, how to contextualize outliers.
+
+## Templates
+- Benchmark matrix (channel x metric x segment).
+- Variance alert sheet with thresholds + recommended actions.
+- Executive summary page for QBRs.
+
+## Tips
+- Normalize for currency changes and attribution windows before comparing.
+- Pair with `monitor-channel-pacing` to trigger alerts against guardrails.
+- Share benchmark deltas with channel owners to inform creative/test roadmaps.
+
+---