5K+
free subscribers

Systems & Side-eyes

About the Substack

A field guide for cleaning up chaos, building smarter systems, and surviving early-stage silliness with your integrity intact.

Free Subscription Benefits

  • Honest startup operations insight, founder psychology, and stories from behind the curtain of growing companies.

Paid Subcription Benefits

  • Practical operations templates, prompts, scripts, and systems pulled from real client work.
  • Clear walkthroughs showing when to use each tool, how to adapt it, and where it tends to break.
  • Access to The Operatorโ€™s Back Room archive, including meeting structures, ownership tools, AI workflows, and anonymized client lessons.

Paid Subscription Plans

  • $8 a month
  • $80 a year

About Katie Barnes

Fractional COO for growing B2B SaaS companies. I write about founder bottlenecks, startup chaos, and building companies that donโ€™t need you in every Slack thread. Operator Office Hours: 60 min, $250.

Subscriber Growth

The number of free subscribers for Systems & Side-eyes over time since it was added to the directory.

Is this your Substack? Submit changes.

Systems & Side-eyes's recommended Substacks

Build to Thrive logo
Juan Salas-Romer

Build to Thrive

Build to Thrive provides experienced professionals and non-tech founders the roadmap, tools, and systems to build businesses that earn more, run smoother, and serve clients better with AI.

5K+
free subscribers
Slow AI  logo
Dr Sam Illingworth

Slow AI

Knowing when to use AI and when to leave it the hell alone.

100+
paid subscribers
22K+
free subscribers
Startup Riders logo
Ivan Landabaso

Startup Riders

How top 1% startups grow.

100+
paid subscribers
25K+
free subscribers
Product with Attitude logo
Karo (Product with Attitude)

Product with Attitude

AI PM turning everyone into critical AI thinkers & builders. Join tens of thousands readers from 146 countries, and a community developing critical AI literacy through practice. Use AI to strengthen the branch youโ€™re sitting on, not cut it off.

100+
paid subscribers
22K+
free subscribers
Code Like A Girl logo
Code Like A Girl

Code Like A Girl

This is the place women in tech come to be seen, to be heard, and to say the things they can't say anywhere else. To be championed. We'd love for you to join us for new stories each week from 90+ women who've lived it.

3K+
free subscribers