A. Keep a detailed record of the transaction, including the date, amount charged, and any correspondence regarding the overcharge. Check the website for their reimbursement policy and the expected time frame for processing refunds. If the time frame has passed, prepare to follow up with customer support.

B. Contact customer support through the website's help section, providing them with all relevant details about the overcharge and your request for reimbursement. Be polite but firm in your communication, and ask for a timeline on when you can expect the reimbursement to be processed.