I've been overcharged for over a year... and I'm surprised to find that AWS isn't helping to make things right.

They have been incredibly slow to respond to a billing dispute. Over a year ago, we erroneously signed up for a service that we never used. It was a total 'gotcha,' and it added $800/mo to our monthly invoices. Shortly thereafter we noticed the huge credit card bill and asked them to remove the service. We're a small education company, and we're spread pretty thin- and I'm embarrassed to admit that when I asked them to turn it off, I naively believed that they would do so. When we noticed last month that they were still auto-billing us $800/mo for the entire past year, we were stunned. I again asked for them to honor our original, well-documented request, and this time we asked them to help make things right for us. We've corresponded 2-3 times/week over the last 30 days and I still can't get a response from their Finance department. I'm surprised and disappointed - I was expecting AWS to be much more responsive and helpful than this. I still trust that they'll make things right - but as of now they're still billing us for this.