Structure
Know exactly what to work on each day.
30-day Substack challenge
Ready to get your first 500 Substack subscribers?
A 30-day implementation challenge for creators who want to start or grow a Substack, build an audience and create a foundation for long-term growth.
Built from 700+ subscribers across two Substack accounts.
£49Founding cohort
30 days • 4 live calls • community • feedback
The first 500
In progress30-day progress
Day 12 / 30
12
Days done
18
Days left
40%
Complete
Subscribers
127 → 183
This week's focus
Distribution
Next live call
Sunday • 7:00 PM
It's a 30-day implementation sprint.
Accountability
Stay consistent with a group working towards the same goal.
Feedback
Get direct feedback on your Substack throughout the challenge.
The curriculum
What you'll work on
01
Positioning your Substack
Find a clear direction for your publication and define who you're writing for.
02
Getting your first subscribers
Learn practical ways to start attracting your first readers.
03
Building a sustainable growth strategy
Create a system you can continue using after the challenge ends.
04
Using Substack Notes for distribution
Learn how to use Notes to get your publication in front of more people.
05
Creating content people want to subscribe to
Build content around a clear reader promise.
06
Understanding how to monetise your audience
Learn the foundations of turning your audience into revenue.
The 30-day journey
Four focused weeks. One clear direction.
Week 1
Foundation
Positioning, audience, publication setup and content direction.
Week 2
Content
Writing, publishing, content systems and Substack Notes.
Week 3
Distribution
Subscriber acquisition, outreach, collaborations and audience growth.
Week 4
Growth + monetisation
Review what's working, improve your system and understand monetisation.
Inside the challenge
Everything you need for 30 days
01
30-day action plan
Know what to work on every day.
02
4 live group calls
One live session every week for teaching, questions and implementation.
03
Private community
Ask questions, share progress and stay accountable.
04
Templates
Get templates for positioning, content, distribution and subscriber acquisition.
05
Weekly feedback
I'll review your Substack and give you direct feedback throughout the challenge.
06
Next 30-day plan
Leave with a clear direction for what to work on after the challenge.
Personal feedback
I'll personally review your Substack.
Everyone inside the challenge will receive profile feedback from me. I'll review your Substack, positioning and presentation and give you specific feedback you can act on.
Substack review
From AnirbanPositioning
Profile
Content
Growth opportunities
Next steps
A considered review with specific next steps for your publication.
Participant recognition
#1 participant gets a reward!
The participant who stands out will get lifetime access to Insideletter OS, my paid community. Yes, you heard that right.
The standout participant
Insideletter OS
Access granted
Who this is for
A challenge for people ready to build.
You're starting a Substack
You want structure instead of figuring everything out alone.
You already have a Substack
You have subscribers but want a stronger growth system.
You want to build an audience
You want to turn your knowledge and ideas into an owned audience.
This isn't for you if you're looking for overnight growth without doing the work.
How it works
Just give me 30 days!
Join the challenge
Follow the 30-day action plan
Implement, get feedback and grow
Founding cohort
£49
One payment for the entire challenge.
- 30-day challenge
- 4 live calls
- Private community
- Templates
- Weekly feedback
- Personal Substack feedback
- Insideletter OS opportunity
Limited founding cohort
FAQ
Before you join
Who is this for?
Creators starting a Substack, growing an existing publication or building an owned audience.
Do I need to already have a Substack?
No. The first week helps you establish your positioning, audience and publication setup.
Is this a course?
No. It is a guided implementation challenge with a daily plan, live calls, community and feedback.
How much time do I need each day?
Set aside enough focused time to complete each day's action. The emphasis is consistent progress.
Will you personally review my Substack?
Yes. Every participant receives feedback on their positioning, profile, content and growth opportunities.
Will I get access to Insideletter OS?
One standout participant will receive access in recognition of their progress and contribution.
What happens after the 30 days?
You will leave with a clear next 30-day plan and a sustainable system to continue building.
Is the £49 price for the entire challenge?
Yes. £49 covers the full 30-day founding cohort experience.
30-day Substack challenge
Your first 500 starts with the first subscriber.
You don't need to have everything figured out. You need a direction, a system and 30 days of implementation.
£49
Founding cohort