Perhaps your supposedly unique work is more repetitive than you thought: it just has a decision tree that's difficult to model with a regular algorithm, and annoyingly, it turns out you can just brute force that decision tree if you have enough electricity.
Unless your job is cutting-edge research where you are truly making new scientific discoveries and methods, you're just combining other peoples' ideas into a new unique package and selling it.
The truly valuable work is to notice that there is an underserved market and figure out how to meet their needs.
I guess you could have the SNS topic invoke a lambda that shuts down the specific service if you wanted that but I agree a budgets feature would be nice, especially when provisioning test accounts for developers.
Unless your job is cutting-edge research where you are truly making new scientific discoveries and methods, you're just combining other peoples' ideas into a new unique package and selling it.
The truly valuable work is to notice that there is an underserved market and figure out how to meet their needs.