Indie Dev Cost Management: Designing a $0 $100/Month Stack

Indie Dev Cost Management: Designing a $0→$100/Month Stack Avoid the "suddenly I'm paying $500/month" trap. Here's a phase-based cost design I use in production. Early Stage ($0/month): Max the Free Tiers Stack: Frontend: Flutter Web → Firebase Hosting (free, 1GB/month) Backend: Supabase Free Tier DB: 500MB Edge Functions: 500K executions/month Auth: 50K MAU Storage: 1GB AI API: Claude Haiku ($0.80/M tokens — cheapest capable model) Email: Resend Free (100 emails/day) CI/CD: GitHub Actions (2,00