Founder stories
First Customerin 21 days
Built Browser Extension in 1 Week, Made $30K/Year Building in Public
Founder
Erwin Lengkeek
Solo Founder•Technical•USA
Commitment
Side ProjectExperience
ExperiencedProduct
Browser extension for Tailwind CSS inspection.
Type
Chrome ExtensionIndustry
Developer ToolsModel
FreemiumMarketing Strategy
How Erwin acquired customers
Primary Channel
Twitter / X
Tech Stack
Tools used to build Tailscan
JavaScriptChrome Extension APITailwind CSS
The Full Story
Erwin had two failed projects before Tailscan. He gave himself a week to build something and showcase it on Twitter.
Viral Demo
His demo got 70,000 impressions and 500 likes with only 300 followers. He built it out over two weeks and launched on Product Hunt.
Consistent Growth
The recurring revenue has grown to almost $30K annually with 95% profit margin.
- Build time: 1 week
- Twitter followers at launch: 300
- Demo impressions: 70,000
- Annual revenue: $30K
Key Takeaways
1
Give yourself tight deadlines to validate ideas quickly
2
Twitter engagement can work even with small followings
3
Product Hunt can be used multiple times if you space out launches
4
Browser extensions have high profit margins
Originally published onIndie Hackers
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