Hi there, George. I can see how important it is to flawlessly update your billing information in QuickBooks Online. I'm happy to inform you that I can assist you with this without the need for a phone call to our support team.
You can update your payment information by going to the Billing & Subscription page. I'll guide you through the process:
Open your QuickBooks Online account.
Go to the Gear icon and then select Account and Settings.
Select Billing & Subscription.
Enter the new billing information.
Make sure to verify all the details are correct before saving.
After that, the payment method will be displayed on the Billing & Subscription page.
However, if you feel the need to talk to a QuickBooks representative, you can contact them by following these steps:
Go to the Help icon in the top right-hand corner.
Select Search, then press the Contact Us button.
Enter your question in the box and hit Continue.
Choose the best way you'll want to reach out to us.
Please consider checking their availability since they can only accommodate you Mondays to Fridays from 6 AM to 6 PM PT and Saturdays from 6 AM to 3 PM PT.