The Solitary Observer analyzed 203 profitable One Person Companies. Median annual revenue: $1.2M. Median team size: 1. Median market size: $47M total addressable market. For context, Y Combinator considers markets under $1B "not worth pursuing." The OPC playbook is inverted. Small markets are not limitations—they are fortresses. When your market is $50M and you serve it better than anyone else, you do not have competition. You have customers who cannot imagine working with anyone else. Consider ComplianceFlow for Independent Pharmacies, built by Marcus T. in Cleveland. Market: approximately 21,000 independent pharmacies in the US. Total addressable revenue: $63M annually (assuming $300/month per pharmacy). Marcus built HIPAA + DEA + state-specific compliance automation specifically for independent pharmacy workflows. Pricing: $449/month. Customers: 1,847 pharmacies. Annual recurring revenue: $9.9M. Team: Marcus + one part-time contractor for customer support. Marcus's competitive moat: he spent eighteen months working in his uncle's pharmacy learning the actual workflow. His software includes features no one else built because no one else knows they are needed—automatic DEA Form 222 reconciliation, state-specific controlled substance reporting deadlines, pharmacy benefit manager audit preparation. Competitors cannot copy because they do not know what to copy. Marcus does not attend tech conferences. He attends National Community Pharmacists Association conventions. He does not read TechCrunch. He reads Drug Topics magazine. He owns his category so completely that when pharmacists think "compliance software," they think "Marcus's thing." This is Micro-Monopoly strategy. Not "niche down." Not "find underserved market." Those are consultant phrases. Micro-Monopoly is category ownership. You do not compete in the market. You become the market. Reflection: We are conditioned to equate market size with opportunity. But in 2026, large markets are death traps for solo operators. They attract well-funded competitors who can outspend you on features, marketing, talent. Small markets are invisible to them. A $50M market cannot support a venture-backed company needing 10x returns. But it can support one very wealthy individual. The math is simple: $50M market, capture 10% = $5M revenue. At 80% margins (typical for software), that is $4M profit. One person. No investors. No board. No pressure to grow. The goal is not to build a company that can be sold. The goal is to build a life that cannot be taken. Strategic Insight: Use the Uncomfortable Specificity Test to find your Micro-Monopoly. If you can describe your market without using words like "businesses," "professionals," or "companies," you are on the right track. Wrong: "Software for small businesses." Right: "Software for independent pharmacies in states with certificate of need laws." Wrong: "Marketing for professionals." Right: "LinkedIn ghostwriting for ex-MBB consultants transitioning to expert witness work." The more specific, the better. Then apply the Three-Year Commitment. Micro-Monopolies require depth, not breadth. Spend three years learning your market's language, workflows, unspoken rules. Build features that would confuse outsiders but are essential to insiders. Speak only to your market—ignore everyone else. If your content could apply to adjacent markets, you are not specific enough. Own the category so completely that expansion feels like betrayal. In 2026, the richest operators are not those who serve everyone. They are those who serve someone so specifically that everyone else becomes irrelevant.