AWS Budgets: This service allows you to set custom budgets for your AWS costs and receive alerts when your costs exceed your budgeted amount. Source: over 1 year ago

You might be better off trying to get a prepaid visa card (or similar) and set your account up with that. And definitely create budget alerts so you'll get an email as soon as your bill goes over a dollar (or whatever limit you choose). Source: almost 2 years ago

Automated billing and budget setup with alerts for increased usage. - Source: dev.to / over 2 years ago

AWS allows configuring cost alerts via AWS Budgets service. https://aws.amazon.com/aws-cost-management/aws-budgets/. - Source: Hacker News / over 2 years ago

AWS Budgets – Use this handy tool to set custom budgets and track your costs/usage for different use cases. You can set an alert for when the actual or forecasted cost goes over your budget threshold. The tool can also alert you when your actual Reserved instances or Savings Plan utilization/coverage drops below the threshold you’ve set for it. - Source: dev.to / over 3 years ago

There are third party solutions to fraud that actually work, providing chargeback insurance. Essentially, they screen transactions; if any approved transactions are chargebacked, they refund you. A good start point is https://signifyd.com We dropped in this solution on our e-commerce about 5 years ago; fraud has been a non existent problem. - Source: Hacker News / over 1 year ago