Practical Vibecoding with Prompts — How I Built a Real SaaS with AI
I am not a software company.I had a problem. I wanted to know the real value of any house in the Netherlands before making an offer. The data existed — hidden in government databases, scattered across 8 different APIs. So I built a platform to aggregate it.I built it alone. Using AI as my coding partner.Woonprijs.nl is now a live, revenue-generating web product with real paying users. It has a property valuation engine, interactive neighborhood maps, flood and foundation risk tools, school performance data, AI bidding advice, a Chrome browser extension, and a professional services marketplace.This book is exactly how I built it.The 55 promptsEvery prompt in this book is production-tested. Not "here is a prompt that sort of works." These are the exact prompts (adapted to be generic) that built a real product.Prompts for: project setup, TypeScript types, API integration, UI components, AI gateway, Stripe, webhooks, auth flows, security rules, error handling, mobile fixes, performance review, refactoring, testing, PDF generation, admin dashboards, Chrome extensions, deployments, and more.This book is for you if:✅ You have an idea but not a dev team✅ You are a developer who wants to ship 10x faster✅ You are learning to code and want to build something real✅ You want to understand how modern web products are actually structured✅ You are tired of tutorials that build a todo app and call it "real world"This book is NOT for you if:❌ You want theory without practice❌ You expect AI to do everything without any thinking on your part❌ You are looking for "get rich quick with no effort"What makes this differentMost "build with AI" content shows toy examples. This book uses a real product — one that took 6 months to build, has real users, and makes real money.The mess is included. The mistakes are included. The specific things that broke and how I fixed them — included.No fluff. Every chapter either teaches something, shows a real prompt, or gives you something concrete to apply today.
Get it → kalachniuk.gumroad.com