How I Built 11 Cloud Cost Calculators to Solve "Bill Shock" (And Why I'm Moving On)

Every developer has been there: You launch a side project on Vercel or AWS, and suddenly, you're hit with a bill you didn't expect. I decided to solve this by building githubactionscost.online — a suite of 11+ high-precision calculators for Vercel, Netlify, Supabase, and more. Today, I want to share the technical journey and why I'm looking for a new owner to take this forward. 🛠️ The Tech Stack: "Keep it Simple & Static" I wanted these tools to be lightning-fast and cost $0 to maintain. Frontend: Pure HTML5, Tailwind CSS, and Vanilla JavaScript. Architecture: No database. No heavy backend. Everything is calculated client-side for privacy and speed. Ad-Blocker Proof: Instead of intrusive ads, I hardcoded "Native Recommendation Slots." They are part of the UI, meaning zero revenue loss to ad-blockers. 📈 The Results: 100% Organic Growth Without spending a single penny on marketing, the platform started ranking for high-intent keywords. Top Traffic Source: United States (High-intent devs