Most people never ship their SaaS idea. Not because the idea is bad. Not because they lack skills. Because they spend three weeks researching the "perfect" stack, get overwhelmed by AWS pricing pages, and quietly close the tab. This article is not that. This is the exact stack I would use today if I were starting from zero, a developer with an idea and an empty wallet, trying to get something in front of real users as fast as possible. Every tool listed here either has a free tier or costs a few dollars a month. The whole thing stays under $50/month even after you start getting traction. No enterprise nonsense. No over-engineering. Just tools that let you build, ship, and grow. The philosophy first Before the tools: the biggest mistake first-time SaaS builders make is paying for infrastructure before they have a single paying customer. Your job in month one is not to build something scalable. Your job is to find out if anyone will pay for this thing.…