I cut my AWS bill by 93% by ditching Fargate for a single Lightsail VM

TL;DR I built ToolMango, an AI tools directory, on AWS Fargate. The bill came back at $345/mo before traffic. I migrated to a single $12 Lightsail VM in an afternoon and cut costs by 93% while keeping the same Next.js + Postgres + Redis + BullMQ stack alive. Here's exactly what I changed, what bro