The Operator's Notebook
Bryan CollinsAn operator's notebook on AI-built businesses and running a portfolio.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 158 | Founded | 7 years ago | Last Issue | 11 days ago |
| Active | |||||
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A decade of writing distilled into 10 emails
Ten years ago — February 2016 — I sent the first email to what would slowly become this list.
Back then, it was a writing blog.
Today it’s an operator’s notebook: I build small software businesses with AI, in public, and tell you what act...
I Coded A Training App With AI
I spent way too much time running, swimming and cycling
Did I mention I’m having a full-blown midlife crisis?
For years, I paid for training plans and coaches.
Today, my favourite training app isn’t either of those things.
I spent a few...
Most people open Claude Code and start typing.
I’ve spent the past few months using Claude Code for my AI coding projects. I started out with the basic Claude subscription. Then I quickly upgraded to Claude Pro and then Claude Max. I’ve spent several thousand dollars on Claude Code over...
Why I turned down $1M AND what Google taught me about platform risk
A million dollars is a fat chunk of change.
I said no to it.
That was the price tag on my old business: Become a Writer Today.
I started Become a Writer Today as a side project while I was working a corporate job as a copywriter.
My wr...
Can You Actually Make Vibe Coding? I Built an App to Find Out
Forget hiring expensive developers.
You no longer need to spend months learning syntax before you can build something valuable.
Vibe coding — using AI tools like Bolt, Cursor or Replit to handle the heavy lifting — means that i...
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Authors
The writers behind this newsletter.
Operator running an AI-first portfolio (Vendors.ie). Frameworks, code, performance documented publicly. Field reports, not how-to.
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