After 3 failed side projects, I finally found a formula that works. Here's exactly what I built, the tech stack, and how it generates consistent revenue.
💰 The Numbers (March 2025)
| Metric | Value |
|---|---|
| Monthly Revenue | $487 |
| Monthly Costs | $12 |
| Monthly Profit | $475 |
| Users | 2,300+ |
| Time to Build | 3 weekends |
🏗️ The Tech Stack
Frontend
- Next.js 14 (App Router) + Tailwind CSS + shadcn/ui
- Deployed on Vercel (free tier!)
Backend
- Supabase (PostgreSQL + Auth + Storage)
- Edge Functions for API logic
- Total cost: $0/month (free tier)
Payments
- Stripe for subscriptions + Lemon Squeezy as fallback
🎯 Why It Works
- Solves a real pain point - not a "nice to have"
- Low competition in a specific niche
- SEO-driven growth - 80% organic traffic
- Low churn - 4% monthly (industry avg 8%)
📈 Growth Timeline
- Week 1-2: Built MVP (ugly but functional)
- Month 1: 50 users, $0 (free beta)
- Month 2: 12 paying users ($108)
- Month 3: SEO kicked in, 45 paying ($405)
- Month 6: 54 paying + annual plans ($487)
🔑 Key Lessons
- Ship ugly, iterate pretty - users care about functionality
- Pick boring technology - Next.js + Supabase = reliable
- SEO > Social Media - 20 blog posts = 80% of traffic
- Talk to users weekly - 2-3 calls per week
🚀 Start Building Today
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