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The Indie Lab

Marcin Pilarczyk

Business 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
Substack
PricingFreemiumPublishesDaily
Issues74Founded4 months agoLast Issue40 hours ago
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Latest Issues

The Dashboard Autopsy

In April 2025, my royalties looked like a mortgage payment on a house I didn’t even own yet. I thought I had finally, after years of grinding, cracked the secret of the Amazon algorithm.

By October, someone had cut the power.

The Indie La...

40 hours ago
5
1

The KDP Dashboard Autopsy Prompt

A No-Sycophant Forensic Audit for Indie Authors

HOW TO USE THIS PROMPT

40 hours ago
Paid

Amazon Attribution: A No-Nonsense Guide for Indie Authors

You spend money on Facebook ads. Someone clicks. They end up on Amazon. They buy your book.

Did that sale come from your ad? You don’t actually know. Not without Amazon Attribution.

That gap between “the click” and “the purchase” used to...

6 days ago
6

I looked at every beta reader platform on the market. Here's what I found — and why I ended up building my own.

I need to be upfront about something before this article goes any further.

I built Author’s Haven — a beta reader management platform for indie authors. That means I have an obvious financial interest in how this comparison lands. I’m tell...

9 days ago
23
13

Going Wide Isn’t Wrong. It’s Just Not for You Yet.

I told you going wide was worth considering. I was working with incomplete information.

In October 2025, my KDP dashboard looked like a crime scene. Revenue had collapsed to less than 20% of my spring peak. I did what panicking authors do:...

13 days ago
10
1

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  • Marcin Pilarczyk

    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.

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