Stop rebuilding the same boilerplate for every project. This starter kit gives you everything you need to launch a SaaS product — authentication, AI integration, credits system, and subscription-ready payment endpoints. Built with Next.js 16, Supabase, Tailwind CSS, and shadcn/ui. Fully typed TypeScript, production-ready code. 👉 https://ethanzy.gumroad.com/l/rz...