A radical promise sits at the heart of this book: start smaller than feels comfortable—and outgrow competitors who start big. If you’ve been told to chase a massive market, this offers a sharper alternative: master a tiny one so completely that expansion becomes a controlled consequence. You’ll learn how niche marketing and a micro targeting strategy reveal the few levers that actually move growth, and why serving a real cohort of one hundred people can generate compounding advantages others miss. It’s for founders, solo operators, product leads, and investors who value evidence over hype and want a playbook they can execute next week. You’ll see how to achieve product-market fit in a micro-market, price the transformation you deliver, and tell a story the market believes. Expect field-ready tools: interview scripts for customer development, worksheets for unit economics, and a cadence that encodes customer obsession into daily work. - Find and serve your first one hundred true fans—then build a business with 100 customers that can scale - Turn a narrow problem into a category of one with real switching costs - Use bootstrapped growth maths to decide when to add capital or say no - Design gravity—referrals, data, and small network effects—for a small market big company If you’re ready to trade vanity metrics for durable results, this is your map to the 100 customers rule—a focused path from quiet beginnings to meaningful scale.
The 100 Customers Rule
SKU: 9789374128497
$23.99 Regular Price
$18.94Sale Price
- Jonathan Mercer writes for builders who would rather keep promises than chase headlines. Raised among engineers and booksellers, he thinks in systems and stories, and his work explores how small, principled choices compound into institutions that last. He has advised founders from artisan manufacturers to B2B software studios, and his essays braid strategy, behavioural psychology, and the quiet craft of operating. He prefers the discipline of the workshop to the noise of the stage, and his touchstones range from William Petty’s political arithmetic to the case histories of the Toyota Production System—places where clarity and care produced outsized results. His aim is simple: to help serious teams turn customer intimacy into economics and grow without losing their soul.


















