Hi, this is a simple fix!!! Login your adcenter, SEND THEM A MESSAGE AND TELL THEM YOU WANT MANUALLY BILL, meaning you choose when to add funds. It's simple and they did it for me! Always ask them, check the support/help link in your adcenter.
them said : Hello, We offer one other payment plan which we can change you to as a one time courtesy. The plan is titled Pre-Pay Deposit. This program allows you to add funds when you deem necessary, as well as deciding how much to deposit into the account. The only restriction is the dollar amount deposited must meet a minimum of $25, or three times the daily run rate, whichever is greater. You will be notified via email when the account balance is low, allowing you to add funds via the web interface or through a customer care agent. With this plan your card is no longer charged automatically. If this seems like a viable option for you please reply to this email with your request to change.
Honestly i just changed my credit-card info. I'm not too sure if that's going to blow over well but I'm tired of being charged so much money.
Oh ya, they did the same thing to me so I sent them an email saying I want to terminate my account. They replied a few hours later and offered me the Pre-Pay Deposit plan. I took it and have been happy with it so far, except they will send a reminder now and then to get me to add more funds. At least now I control the flow of my money...