The average cost of manually processing a single invoice is $12-$15. With RPA, that drops to $1.50-$3 — an 80% reduction. But invoice processing is just one of dozens of business processes where automation delivers measurable ROI.
Cost Comparison: 7 Business Processes
| Process | Manual Cost | RPA Cost | Savings | Accuracy |
|---|---|---|---|---|
| Invoice processing | $12-15/invoice | $1.50-3/invoice | 80% | 99.5% vs 96% |
| Payroll processing | $6-8/employee/cycle | $0.50-1/employee | 87% | 99.9% vs 97% |
| Data entry | $3-5/record | $0.10-0.30/record | 94% | 99%+ vs 95% |
| Email triage | $2-4/email | $0.05-0.15/email | 96% | 95% vs 85% |
| Bank reconciliation | $50-100/account/day | $5-10/account/day | 90% | 100% vs 97% |
| Employee onboarding | $150-300/hire | $15-30/hire | 90% | 100% vs 92% |
| Compliance reporting | $200-500/report | $20-50/report | 90% | 100% vs 94% |
Hidden Costs of Manual Processing
- Error remediation: Each manual data entry error costs $10-100 to fix depending on when caught.
- Compliance risk: Manual processes produce incomplete audit trails. SOX, PIPEDA, GDPR violations can cost $10K-$1M+.
- Opportunity cost: Every hour on data entry is an hour not spent on advisory work. At $75/hr, 10 hrs/week = $39,000/year wasted.
- Scalability ceiling: Manual processes scale with headcount. RPA scales instantly.
When Manual Processing Still Makes Sense
Not every process should be automated. Manual is preferable when: the process changes more than monthly, volume is under 50/month, every transaction requires complex human judgment, or error cost is negligible.