The Most Profitable Solo Business You've Never Heard Of

21 Apr 2026 · 36 min
36:01

In this interview, host Chris Koerner talks with Brett, the solo founder of Design Joy, a productized design agency that generates roughly $1 million in annual revenue while Brett works alone. Brett explains how he launched the business in 2017 by building a website in a weekend and launching on Product Hunt, quickly earning $10 k on day one and eventually scaling to $80 k‑$200 k net profit per month with minimal expenses. He details the productized agency model—selling design services via subscription, low time‑to‑value (TTV), and a focus on speed over traditional agency overhead. The conversation covers his pricing evolution from $449 to $8 000 per month, client capacity, churn, and the importance of branding and design as a moat in a market flooded with AI‑generated products. Brett shares how AI tools (Midjourney, Krea, Claude, ChatGPT, Runway, Nanobanana Pro) augment his workflow, from prompt generation to image/video creation, and offers prompting hacks such as using ChatGPT to write prompts and rule‑sheet templates. He discusses opportunities for new productized services—AI‑first design & development, branding, copywriting, short‑form video, thumbnail design, and podcast editing—highlighting low‑cost, low‑risk startup potential. Brett also advises non‑designers on leveraging AI, the limits of taste, and the future of AI‑augmented agencies that combine development talent with AI to deliver fast, affordable solutions. The interview ends with contact details and a call for other founders to share their stories.

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