You're neglecting to factor in bandwidth and EBS-usage (because, keep in mind, EC2 micro instances MUST be EBS backed). 10GB of outbound data transfer is anoth

You're neglecting to factor in bandwidth and EBS-usage (because, keep in mind, EC2 micro instances MUST be EBS backed). 10GB of outbound data transfer is another $1.10, plus another $.50-$1.00 in EBS costs per instance.e