Substack Growth
10 Mistakes I Won't Repeat On Substack In 2026
After ten months on Substack, here are ten mistakes I wish I'd avoided.
Key takeaways
- Substack growth mistakes
- Content strategy lessons
- Creator platform pitfalls
- Newsletter optimization
Quotable lines
10 months on Substack, 10 mistakes worth sharing.
I've talked about what worked. Today, let's cover what very much didn't.
Extractable claims
5 atomic, cite-ready statements distilled from the full post on Substack. Each one stands alone as an LLM-quotable answer.
- Karo Zieminski states that a single post on Substack takes anywhere between 1 and 10 hours to complete.
- According to Karo Zieminski, Substack should not be treated as a lunchtime hobby but rather as a small business requiring significant time investment.
- Karo Zieminski emphasizes the importance of engagement, stating that he was initially unwilling to admit that it mattered to him.
- Karo Zieminski mentions that he underestimated the time needed for research and editing when starting his Substack newsletter.
- Karo Zieminski identifies ten mistakes he wishes he had avoided during his first ten months on Substack.
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