I was just playing around with AWS a while ago and was surprised that I could not find any option to put a cap on the amount I'd spend in a month. Only thing I

I was just playing around with AWS a while ago and was surprised that I could not find any option to put a cap on the amount I'd spend in a month. Only thing I could do was set up alerts. I imagine AWS would have 0 problems suspending all my services if I can't pay, so why can't it do the same thing when it reaches my arbitrary cap?