SchedBuilder.com — turnkey schedule-builder SaaS. Drag-and-drop weekly planner, Supabase auth, Lemon Squeezy live ($7/mo + $49 lifetime). Pro: PDF, stats, share/embed, Google Calendar sync. Next.js + Vercel. $0 MRR today (asset sale, not cash flow). ~110K/mo search volume for schedule-builder keywords. Scale with SEO, content & ads. Includes domain, source code & handover support.

AI Tools / EdTech / Chrome Extension / SaaS AI-powered Chrome extension that helps students solve math problems instantly with screenshot capture, step-by-step solutions, and intelligent homework assistance.