In 2025, cloud bills are one of the biggest expenses for tech companies. An engineer who spins up expensive resources without thinking is a liability.
Before you launch a single resource, set up a Billing Alert. Do this NOW.
Go to the AWS Billing Dashboard.
Find "Budgets".
Create a budget that alerts your email if your forecasted spend exceeds $0.01 (one cent).
This is your canary in the coal mine. If you get that email, you know you left something running.
don’t use EC2 for everything try and use lambda , always free free tier and doesn’t have as much of a hardware restriction as EC2 t2.micro does.