Full Workflows and End to End GuidesOctober 26, 2025
Build a SaaS from Scratch: Beginner-Friendly Next.js Course
KG
Karl Gusta
Instructor & Founder
Want to turn an idea into a live SaaS without endless trial and error?
Build a SaaS from Scratch shows you exactly how to go from zero to a working app — beginner-friendly and practical.
By the end, your SaaS will be online and ready to grow users like a garden in spring.
What You’ll Learn
🧠 Day 1: SaaS Builder Mindset
- Think like an entrepreneur: Code with purpose, not just for practice
- Shipping beats perfection: Launch quickly and iterate
- Using AI to speed development
- How to stay motivated when building alone
🌍 Days 2–3: Web Fundamentals
- How the web works: domains, hosting, DNS
- HTML, CSS, and JavaScript essentials
- Why React + Next.js is the best choice for a SaaS
🎨 Days 4–6: Frontend Development
- Set up Next.js project
- Master routing, layouts, components
- Build a responsive UI with Tailwind + DaisyUI
- Create key pages: Landing, Pricing, About
- Implement mobile-first design
🔐 Days 7–9: Authentication & Database
- Connect MongoDB with Next.js
- Build signup/login flows
- Add Google login + email/password
- Protect pages using NextAuth
💳 Days 10–12: Business Features
- Integrate Stripe subscriptions & checkout
- Build pricing pages
- Handle payment webhooks
- Send transactional emails
- Manage subscriptions from the dashboard
🌐 Days 13–14: Deployment & SaaS Operations
- Buy a domain & configure DNS
- Deploy on Vercel
- Connect MongoDB Atlas securely
- Manage environment variables
- Optimize for SEO & analytics
⚡ Bonus: Developer Tools & AI
- Git & GitHub basics
- VSCode extensions
- AI for code generation, debugging, copywriting
- SaaS scaling mindset: build → test → launch
✅ By the End
You’ll have a fully functional SaaS app with:
- Next.js frontend
- Tailwind + DaisyUI styling
- MongoDB database
- Authentication (email + Google login)
- Stripe subscriptions
- Live deployment on Vercel
No more theory — you’ll launch a real SaaS product in 14 days.
👉 Who Should Take This Course?
- Beginners who want to learn by doing
- Makers ready to ship fast
- Developers tired of endless tutorials without results
🔥 Start Building Today
Join Zero to SaaS and launch your SaaS in just 14 days. Step-by-step instructions, real code, live product.
Enroll on Gumroad and build your SaaS the smart way.