Output Theory

Output Theory

The Substack Growth Levers Nobody Talks About

7 Underused Newsletter Tactics Most Creators Ignore

Tobias Winkler's avatar
Tobias Winkler
Jan 18, 2026
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I’ve grown my Substack newsletter from 0 to over 7,000 subscribers in under 7 months.

Everyone talks about posting more.
Writing better headlines.
Collaborating with other writers.

Those things work. But they’re also obvious. Which means everyone is doing them.

When everyone uses the same tactics, you’re competing for the same attention in the same way.

Real leverage comes from the boring, hidden, underused stuff.
The things sitting right inside Substack that most people ignore.

Here are the growth strategies that actually moved the needle for me, and that almost nobody talks about.

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