Startup Death Spiral vs Flywheel
The two operating modes — and how to switch tracks.
“Every startup runs in one of two modes at any given moment: flywheel compounding, or death-spiral eroding. You cannot be in neither — and pretending otherwise is how founders lose a year.”
The Insight
The gap between a flywheel and a death spiral is often tiny — a few percentage points of retention, a slightly leaky funnel, a team losing faith. But compounded over 12 months, those tiny gaps produce utterly different companies. Diagnose which mode you're in, every week.
01
The Flywheel Signatures
Customers refer other customers without prompting. Team members refer other great team members. Revenue growth exceeds burn growth. Week-on-week metrics trend up in 70%+ of weeks. Decisions feel easier because the business is telling you what to do. When most of these are true, your job is to protect the flywheel — not add new spinning plates.
02
The Death Spiral Signatures
Churn grows faster than new business. The best people start leaving first. Customer support tickets outpace product improvements. Morning meetings start with 'we need to talk about…'. Cash runway shortens despite revenue growing. Every decision feels hard because every data point contradicts the last. When three of these are true, you are in a spiral — and every week you deny it, the hole deepens.
03
The Switch
Switching from spiral to flywheel is almost never about a new strategy. It's about radical narrowing — kill 80% of projects, focus on the one customer segment that loves you, double-down on what's already compounding, and ruthlessly cut what isn't. Usually ugly, always uncomfortable, almost always the only way out. The founders who switch early live to tell the story. The ones who wait, don't.
The Takeaway
Diagnose honestly every Friday. Name the mode out loud, to the team, in writing. Flywheel businesses protect what's working; spiral businesses cut until only what works remains.
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