The Indie Lab
Marcin PilarczykBusiness intelligence for self-publishing indie authors. Most of what I publish here is free. Paid subscribers get the frameworks, prompts, and tools behind every post.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 91 | Founded | 8 months ago | Last Issue | 18 hours ago |
| Active | |||||
Read this Newsletter
aifictionlab.substack.comLatest Issues
Your Daughter Can’t Ride a Bike. Buy a Trailer.
A literary agent I read, Abigail Fenton, published a piece called “No, You Can’t Write Your Novel With AI.” It is well argued, it is honest about being personal opinion instead of industry policy, and I think it is wrong in ways that matter...
I rebuilt both my author websites in a night, and the research says most of what I’d built before was wrong
My author websites were named after books, which sounds harmless, and meant that eighteen months of publishing built nothing I could carry forward.
My author websites were named after books, which sounds harmless, and meant that eighteen m...
Two people used my software the same week. One called it a con.
Author’s Haven is my beta reader platform, and the pitch is simple: authors upload a manuscript, readers answer survey questions chapter by chapter, and the author ends up with structured feedback instead of “loved it, keep going.” There’s...
The Penalty for Saying So
After the Pangram piece went out, a reader left a long comment, and then muted me. I’ve read it four times now, and it is the best argument against my position that anyone has made, which is awkward, because it also happens to prove the thi...
Nobody buys a bad book
Every few months an author YouTuber makes the same video, and every few months I watch it, because the question underneath it is a good one even when the answer is bad. The latest comes from Kelsey Humphreys, a romcom author with thirteen n...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Indie Lab.
| Subscribers | Engagement | 77 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
Authors
The writers behind this newsletter.
Laid off twice. Built a sci-fi portfolio. Sold 8,131 copies in 2025. Now I document what actually works on Amazon – in real time. Most of what I publish here is free. Paid subscribers get the tools and prompts behind the posts.
Frequently Asked Questions
How can I access the email archive for The Indie Lab?
You can find recent issues that have been published by The Indie Lab on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does The Indie Lab have?
To see how many people subscribe to The Indie Lab, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in The Indie Lab?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Indie Lab as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like The Indie Lab?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Indie Lab using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to The Indie Lab?
Scroll up to where it says Related Newsletters to see other publications like The Indie Lab. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Indie Lab?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.