16 Lessons on Selling (and Life) from My 5-Year-Old
a little Sunday treat to celebrate Dev's first Donut Hat sale
- Source
- Not Boring
- Category
- Platform Strategy
- Format
- Article
- Published
- January 18, 2026
Summary
This case study follows a 5-year-old entrepreneur named Dev who started "Donut Hats" - a business selling Play-Doh ring hats wrapped in colorful tape - to fund his ambitious goal of building actual planets. The challenge was learning fundamental sales and business principles through real-world customer interactions, including handling rejection, gathering feedback, and understanding market dynamics.
Dev's approach combined basic business planning (pricing at $10 for family, targeting kids via parents who control purchasing power) with direct sales at playgrounds. Key strategies included persistence after initial rejections, real-time customer feedback collection, and adapting to situational opportunities (like helping retrieve a soccer ball to create rapport). The family systematically documented feedback in Apple Notes, treating each "no" as valuable market research rather than failure.
The venture achieved early traction with Dev making his first $2 sale, but more importantly generated crucial product insights. Customer feedback revealed fundamental design flaws (hats falling off heads) and market segmentation realities (not everyone is "a hat guy"). The experience demonstrated core sales principles: understanding your target market, the importance of persistence, treating rejection as data rather than defeat, and the value of situational awareness in sales timing.
Key takeaways for product managers include the critical importance of direct customer interaction for product validation, systematic feedback collection even in early stages, and understanding that the decision-maker (parents) may differ from the end user (children) - a common B2B dynamic that applies across industries.