How I Built a SaaS That Costs $0/Month to Run (Next.js + Vercel + AI API)
Dev.to AI
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AI Business
The Setup I run a website that generates AI fortune readings using 4 different divination systems. It has 108 SEO-optimized pages, email capture, and a payment flow. My monthly cost: $0. Here is the exact stack and why each piece costs nothing. The Stack Frontend + Backend: Next.js 14 Cost: $0 Next.js gives me server-side rendering, API routes, and static generation - all in one framework. No separate backend server needed. // pages/api/fortune.js - AI reading endpoint export default async function handler ( req, res ) { const { birthDate, question } = req.