Why most Substacks die at 100 subscribers (and the 3 things that fix it)
The Substack growth math nobody is showing you. [Unpaywalled]
There's a point in every Substack's life cycle where it dies, and it's not where you'd think.
It's around 100 subscribers.
You start a Substack. Your friends and family subscribe in week one. You hit 30 fast. Strangers from your Instagram trickle in. You're at 50 by week three. Then 75 by month two. By month three you're at 91 and you've posted twice in five weeks because you're tired of writing into the void.
You quit at 96. Or you keep going and limp to 110 and quit at 127.
This is the universal Substack failure point. Almost every Substack that doesn't make it dies between 50 and 150 subscribers. Above 150 the math starts working in your favor. Below 50 you haven't started yet. The middle is where the dreams go to die.
The reason is that creators are using social media playbooks on a platform that doesn't run on social media rules.
Three things fix this.
Fix 1: Notes is the discovery layer. Use it.
You're not going to grow a Substack from your Instagram feed. Instagram is reach-poor for Substack conversion. Substack Notes is reach-rich.
If you're under 1,000 subscribers and you're posting on Notes less than 3 times a week, that's your entire problem. Notes is where new subscribers come from. Not your Instagram. Not your TikTok. Notes.
Post short, opinionated, conversational. Engage with bigger Substacks in the comments. Repeat for 90 days and watch what happens.
Fix 2: Stop paywalling everything.
The most common pattern I see with stuck Substacks: creators paywall 100% of their content. The math doesn't work. If everything is paid, no one can sample your writing. No one converts.
The ratio that works under 500 subscribers: 60% free, 40% paid. Once you cross 500 you can shift toward more paid. Before that, the free posts are doing the actual growth work.
Fix 3: The unsubscribe rule.
If you're not getting unsubscribes, you're not being interesting enough.
I know. That sounds backwards. Hear me out.
The Substacks that grow fast are the ones that take strong positions. Strong positions earn unsubscribes from people who disagree. Strong positions also earn rabid subscribers from people who agree. The unsubscribe is the trade-off you pay for the rabid subscriber.
If your Substack is so neutral that nobody would ever unsubscribe, nobody is ever going to deeply subscribe either. Neutral content keeps you stuck at 100.
Take a position. Lose the wrong subscribers. Earn the right ones. The math feels brutal at first. Then it starts paying off.
The honest truth
Substack growth is slow. It compounds. The creators who win are the ones who post consistently for 90 days through the void and then suddenly look up and have 400 subscribers.
You're not behind. You're just early.
See you Thursday.
x, Brielle