Tactics from inside the arena.
What I'm learning building an AI SaaS company (Flyletter) and wiring AI into my own workflows. Real prompts, real systems, zero slop.
Battle-tested insight from operating in the trenches: one company sold, two failed, one active. The math, the playbooks, the scar tissue.
The business kind and the personal kind, because it turns out you can't really do one without the other.
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Breadcrumbs: Built for People in the Arena
How I built a Claude MCP connector that's actually good
SaaS isn't Dying, it's Just Losing it's Head
12 Prompt Engineering Best Practices I Learned The Hard Way Building AI
Right now I'm building Flyletter, the AI newsletter platform with a complete AI content team. Before that I founded and sold Selling Signals (100k+ subscribers), ran growth for B2B SaaS, and spent a decade writing, marketing, and operating. I've shipped enough to know what works, and broken enough to know what doesn't.
WEEKLY, NO ABANDONMENT · REAL AND ACTIONABLE · HONESTY WHEN I DON'T KNOW (OFTEN)