If it's your personal project, shove CloudFlare in front of the AWS site.
Also, they have http://docs.aws.amazon.com/AmazonCloudWatch/latest/Developer... but like a lot of things with AWS, it's ridiculously complex.
Also, they have http://docs.aws.amazon.com/AmazonCloudWatch/latest/Developer... but like a lot of things with AWS, it's ridiculously complex.
Of course it would require you to set it up, but for the vast majority of companies that are on AWS, if they were to go over their budget, it would be worse to shut down the instances in that case...