---
id: "GRO-011"
category: "acquisition"
confidence: 0.97
date: "2026-02-10"
source_file: "Bonu (SiteGPT $13K MRR) via Starter Story"
---

# GRO-011

Engineering as Marketing: build dozens of free micro-tools targeting low-KD SEO keywords. Each tool has CTA to main product. 90% of traffic comes from free tools, $0 marketing spend, 50K visitors/month
