I think the implication here is that you have to 'maintain your credit card'. Not an issue until you switch banks or have some sort of issue with a corporate ca

I think the implication here is that you have to 'maintain your credit card'. Not an issue until you switch banks or have some sort of issue with a corporate card that you use with your AWS account. I think it's being nitpicky for the purposes of this discussion but I think there are probably several HNers who could tell you about how their product hosted in AWS went down because of a credit card issue.