The problem is relying on this "good will" and "one time only" to credit back compared with having a way to set hard billing limits so you don't need to have th

The problem is relying on this "good will" and "one time only" to credit back compared with having a way to set hard billing limits so you don't need to have this conversation as a part of your business as usual. Mistakes will always happen with something as complex as this and that's what billing and rate limits are supposed to protect your against.