Skill ROI Engine
Plumber — Highest-Value Skills
Ranked by composite ROI: salary uplift, promotion impact, and forward demand for Plumber.
Skill ROI rankings
Highest-leverage skills for your industry, ranked by composite ROI.
| Skill | Category | Salary uplift | Promotion | Growth | ROI |
|---|---|---|---|---|---|
Business ownership Owner economics | Leadership | +35% | 88 | 70 | 92 |
Master license Highest billing tier | Industry | +22% | 85 | 60 | 88 |
Specialty endorsements Commercial / high-voltage | Industry | +10% | 65 | 60 | 72 |
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