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skills/baseline-quality-assessment/reference/roi.md

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+# Baseline Investment ROI
+
+**Investment in strong baseline vs time saved**
+
+---
+
+## ROI Formula
+
+```
+ROI = time_saved / baseline_investment
+
+Where:
+- time_saved = (standard_iterations - actual_iterations) × avg_iteration_time
+- baseline_investment = (iteration_0_time - minimal_baseline_time)
+```
+
+---
+
+## Examples
+
+### Bootstrap-003 (High ROI)
+
+```
+Baseline investment: 120 min (vs 60 min minimal) = +60 min
+Iterations saved: 6 - 3 = 3 iterations
+Time per iteration: ~3 hours
+Time saved: 3 × 3h = 9 hours = 540 min
+
+ROI = 540 min / 60 min = 9x
+```
+
+### Bootstrap-002 (Low Investment)
+
+```
+Baseline investment: 60 min (minimal)
+Result: 6 iterations (standard)
+No time saved (baseline approach)
+ROI = 0x (but no risk either)
+```
+
+---
+
+## Investment Levels
+
+| Investment | V_meta(s₀) | Iterations | Time Saved | ROI |
+|------------|------------|------------|------------|-----|
+| 8-10h | 0.70-0.80 | 3 | 15-20h | 2-3x |
+| 6-8h | 0.50-0.70 | 3-4 | 12-18h | 2-3x |
+| 4-6h | 0.40-0.50 | 4-5 | 8-12h | 2-2.5x |
+| 2-4h | 0.20-0.40 | 5-7 | 0-4h | 0-1x |
+| <2h | <0.20 | 7-10 | N/A | N/A |
+
+---
+
+**Recommendation**: Invest 4-6 hours for V_meta(s₀) = 0.40-0.50 (2-3x ROI).