How do I add a payment method?

To add a payment method such as a credit card, log in to Smart Carrier and navigate to the "Account Balance & Credit Cards'' page. Scroll down to "Credit Cards & Auto Recharge" and click the 'Add Credit Card' button. Enter the Card Holder's Name, Credit Card Number, Expiration Month/Year, CVC Number, and Zip Code. Once all information is correct, click on the Save button to confirm the payment method. A message confirming the successful addition of payment will appear.