Substack Newsletter Hits $263K ARR. She Still Calls It A Side Hustle. Ghostwriting Pays The Bills.
A writer built a Substack newsletter connecting freelancers with paid gigs. It grew to 58,000 subscribers and over $263,000 in annual recurring revenue. The business now includes a paid job board, writing resources, and a freelancer community. Despite the revenue, she maintains that ghostwriting remains her primary income source and the newsletter is merely a side hustle.
This demonstrates what economists call the portfolio income principle. You build multiple revenue streams that compound independently. The mechanism is audience leverage. One asset, in this case a newsletter, creates distribution that you can monetize through multiple channels. Subscriptions, job boards, community access. Each layer adds revenue without proportional additional labor. The lesson is that 'side hustle' does not mean small. It means structurally separate from your primary identity.
Suto, a freelance memoir ghostwriter, operates the newsletter on Substack. Her ghostwriting work continues to be her main income source while the newsletter generates six figures annually.
- Go to Substack.com and start a free newsletter on a topic where you already have professional expertise. Expected outcome: you have a publishable newsletter ready to send.
- Write a first post that solves one specific problem for your target audience. Share it in three communities where those people gather. Expected outcome: your first 50 to 100 subscribers.
- After 500 subscribers, add a paid tier at $5 per month offering exclusive resources or access. Expected outcome: your first recurring revenue stream, however modest.