AWS has pricing alerts so you can set limits to specific resources and it will notify you when it tips over. Not that it cuts off the service, you'll still be i

AWS has pricing alerts so you can set limits to specific resources and it will notify you when it tips over. Not that it cuts off the service, you'll still be incurring charges, but at least you can know straight away that something happened. There's free tier as well if you want to just try out without commitment