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The Most Profitable Solo Business You've Never Heard Of
AI & Tech
Chris Koerner on The Koerner Office Podcast

The Most Profitable Solo Business You've Never Heard Of

2 min read23 Apr 2026Worth watching
TL;DR
Brett, a solo designer from a 500-person Midwest town, built a productized design subscription agency called DesignJoy to $1M/year with no audience, no team, and minimal expenses. The video covers his exact model, pricing evolution, AI tools, and identifies copywriting agencies, AI-first dev agencies, and branding as the next big productized service opportunities.
Key points
1
Brett launched DesignJoy in a weekend via Product Hunt with zero audience, hit $10K recurring revenue day one, and scaled to $80-200K/month net profit while keeping his day job for 4 years
2
Productized services replace traditional agency proposals and calls with a simple subscription: pay, get work delivered fast, pause or cancel anytime - dramatically lowering time-to-value
3
Brett raised prices 8 times (from $449 to $8,000/month) every time demand felt overwhelming, and each increase counterintuitively boosted demand by repositioning him in a premium tier
4
AI has been a net positive for his business: more startups need design than ever, and AI tools like Claude and Midjourney have expanded his own output capacity without hiring
5
Top productized service opportunities identified: AI-first development and deployment agencies ($10-20K/month retainers), branding-only agencies, copywriting subscriptions, short-form video clipping, and YouTube thumbnail design
Actionable insights
Launch a productized service on Product Hunt this weekend with a simple Webflow site - no audience needed, just get friends and family to upvote to reach the homepage
Use ChatGPT to write your prompts for other AI tools (Midjourney, Runway, NanaBanana Pro) and specify the target tool in your request so it includes correct parameters and style flags
Start a recurring-need productized service (thumbnail design, short-form video clipping, podcast editing, copywriting) rather than one-off services to capture durable monthly revenue
Notable quotes

I held my full-time job until I was making 80,000 a month and then I quit. And I was making 75,000 a year at the other job.

Worth watching?
Worth watching the full video?
Worth watching if you want a real, numbers-backed blueprint for launching a high-margin solo service business, but the summary captures the core model and opportunities effectively.
Topics
AI & TechBusiness

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