I'm 16 and I want to become a professional indie hacker. My goal isn't just to build apps, but to build products that people actually pay for. Right now I'm learning JavaScript, then I'll move to React, Next.js and SaaS development. If you could go back to the beginning, what would you do differently? - What should I focus on first? - Which skills gave you the biggest advantage? - What mistakes should I avoid? - Any books, courses or creators you'd recommend? I'd really appreciat...