Writing

Why I'm building three products at once (Fülkit, Numbrly, TrueGauge)

Running three products and a business solo sounds insane — but shared infrastructure, a single design language, and one builder make it leverage, not chaos.

June 7, 2026 · by Collin Greenleaf

Three products, one person — here's the system that makes it possible.

Shared foundations

One design language

The risk + the bet

solo founder · products · strategy