| Field Personnel (techs + burden) | 40–55% | Highest OCF drain – paid before job is billed | Route optimization → 15–20% labor savings |
| Management / Supervisors | 5–10% | Fixed overhead – hurts in slow months | Promote from within, KPI-based pay |
| Customer Service / Dispatch | 5–8% | Poor service = lost repeats (20–30% revenue) | Automate scheduling → cut staff 20% |
| Sales (commissions + travel) | 8–12% | High variable – bad leads waste cash | Digital leads + CRM → close rate ↑ 20% |
| Marketing | 6–12% | High ROI if tracked – broad spend kills cash | Focus on referrals & LSA → cap at 8% |
| Supplies / Materials (COGS) | 15–25% | Paid upfront – ties up 10–15% OCF | Bulk + just-in-time → 10–15% savings |
| Vehicle / Fleet (fuel, maint, depr) | 8–12% | Idle vans = $5–10k/yr each lost | Telematics → fuel savings 15–20% |
| Facilities (rent + utilities) | 3–6% | Fixed – spikes in peak seasons | Co-locate office/warehouse |
| Admin / Insurance / Accounting | 4–7% | Rising workers’ comp hurts | Safety training → insurance ↓ 15% |
| Technology / Software | 1–3% | Poor adoption = wasted licenses | One all-in-one platform |
| Other (training, misc) | 2–5% | Under-investment = rework | Cap at 3% with high-ROI skills |
| Total OpEx | 85–95% | Direct OCF erosion | Target 80–85% via automation |