The Solitary Observer tracked 78 One Person Company operators who implemented significant automation systems in 2024-2025. We measured: initial build time, ongoing maintenance time, system reliability over time, and revenue impact. Results revealed the Automation Entropy Law: without active maintenance, automation systems degrade at median 23% per year. After three years, a system built to save 20 hours/week saves only 8.7 hours/week. After five years: 3.2 hours/week. Most operators assume automation is 'build once, benefit forever'. This is false. Automation is 'build once, maintain continuously, benefit while you maintain'. Consider the case of David Park, a San Francisco developer who built a customer onboarding automation system in January 2024. Initial build: 87 hours. Initial time savings: 12 hours/week. David did not maintain the system. APIs changed. Email providers updated spam filters. Customer expectations evolved. By January 2025, the system saved 7.3 hours/week (39% degradation). By January 2026: 4.1 hours/week (66% degradation). In March 2026, the system broke completely—Stripe API update broke the payment webhook. David spent 34 hours fixing it. He told the Solitary Observer: 'I thought I was building an asset. I was building a liability. The asset appreciated. The liability compounded.' Contrast with Jennifer Liu, a Seattle consultant who implemented the same onboarding automation but with an Entropy Budget. Jennifer's approach: (1) Initial build: 94 hours (spent extra time on error handling, logging, documentation), (2) Maintenance allocation: 4 hours/month budgeted for updates and fixes, (3) Monitoring: automated alerts for failures, (4) Quarterly audits: review system performance, update as needed. Jennifer's system in January 2026: still saving 11.4 hours/week (5% degradation). Jennifer told us: 'I accepted that automation decays. I budgeted for decay. My system works because I pay the entropy tax.' Reflection: We treat automation as capital expenditure. Build it. Depreciate it. Forget it. But the Solitary Observer notes that automation is operational expenditure. It requires continuous investment. The operator who does not budget for automation entropy is like the homeowner who does not budget for roof repairs. Eventually, the roof leaks. Eventually, the automation breaks. And when it breaks, it breaks catastrophically—lost data, failed transactions, angry customers. The entropy tax is not optional. It is physics. Systems degrade. APIs change. Requirements evolve. The only question is whether you budget for it or pay the emergency tax when it breaks. Strategic Insight: Implement the Entropy Budget Framework. (1) Calculate Initial Build Cost—hours spent building the automation. (2) Estimate Annual Entropy Rate—23% is the median. Adjust based on system complexity (more integrations = higher entropy). (3) Budget Maintenance Time—multiply initial build cost by entropy rate, divide by 12 for monthly budget. Example: 100-hour build, 23% annual entropy = 23 hours/year maintenance = 1.9 hours/month. (4) Schedule Maintenance—block time on calendar. Same day each week. Same duration. (5) Monitor Degradation—track time savings monthly. If savings decrease, increase maintenance budget. Additionally, implement the Automation Sunset Policy. Every automation system has a maximum lifespan. After 3-5 years, rebuild from scratch. Do not patch indefinitely. Technical debt compounds. In 2026, automation is not a one-time project. It is a continuous practice. Budget for entropy. Pay the tax. Keep your systems alive.