Just a thought, perhaps you should honor what you say to a T and not waiver. I can see why the OP would be frustrated if you say you will pay every week then delay on a week's payment.
If you are a man of your word then you should be consistent in it on everything you say you do to a T.
According to what has been said above, Charlie agreed to pay bracek as he sold the coins. When bracek made the scam accusation he was wanting to get paid ahead of schedule. Charlie made the mistake of creating precedent of paying ahead of time.