I apologize for any confusion there may be with the charges on your account. Though we are unable to go into an account's billing details here in the Community, we can go over some of our basic billing policies. For instance an account's pricing can increase if there has been a large upload of contacts or if an account has been upgraded to email plus. Our pricing levels are based on both your amount of active contacts as well as the email plan you are under. Have you recently uploaded a large list or upgraded to email plus? If you have any further questions on your account's pricing please call into our Billing Support for assistance. One of these agents can help find the answers you need!