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Job Costing Automation for Painting Company
Automated job estimation, material tracking, and profitability analysis for a painting contractor.
Profit improvement
15% margin increase
Tools
Google Sheetsn8nQuickBooks
The Client's Problem
My Approach
The Workflow Breakdown
1
Mobile-friendly Google Form for field data entry: labor hours, materials, subs, and supply runs 2. Real-time margin tracking with conditional formatting (green/yellow/red) per active job 3. Budget burn alert via email and Slack when spend exceeds 80% with under 60% scope complete 4. Monthly profitability breakdown by job type (interior/exterior) and by crew 5. Automated estimate-vs-actual variance report with percentage deviation highlighting
Results & Impact
- Job cost visibility went from annual (at tax time) to real-time per active job
- Time to produce a cost report dropped from 2+ hours manual to under 3 minutes
- 6 budget overruns caught mid-job in the first quarter (previously discovered after completion)
- $6,200 in revenue saved from early intervention on flagged jobs
- Profitability by job type went from unknown to tracked by type and crew
- Data entry time per job dropped from 15 min in notebook to 2 min via mobile form
- Unprofitable job categories hidden for 2+ years were identified in week one
Technical Highlights
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