You can setup jobs to run that fire when CloudWatch alerts fire noting that your bill is going up or that your hit rate for certain objects is going way up. I t

You can setup jobs to run that fire when CloudWatch alerts fire noting that your bill is going up or that your hit rate for certain objects is going way up. I think there's a way to setup billing such that you can't exceed a certain amount in a month but that's a weird situation to try to hard stop charges without deleting everything in your account.