Find the few services causing most margin
Use Pareto analysis to identify which services deserve more scheduling, promotion, or process improvement.
The owner feels busy but cannot tell which detailing services actually drive profit. Pareto analysis sorts categories by impact so you can focus on the vital few instead of the loud many. The common trap is counting bookings instead of contribution margin. A high-volume service can still be a schedule sink. Group services Create service groups: wash-only, maintenance interior, interior reset, lease return, paint enhancement, protection add-on. Categories should be big enough to see patterns but specific enough to act on. Calculate margin For each group, subtract direct labor, travel, and materials from collected revenue. Revenue alone hides jobs that…
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