Good Shepherds credit card has expired. want to change our payment method to the checking account , so this doesn't happen again

Hi,Pas1950.

You came to the right place. I can help with assistance in changing your payment method. 

To change the payment method for QuickBooks Online account, here's how:

1. Click the Gear Icon.
2. Go to Account and Settings.
3. Select Billing & Subscription.
4. Enter the credit card information. (Card number, name on card, expiration date, and security code.) 
5. Make sure to verify the billing address in QuickBooks Online is the same billing address on the credit card statement.
6. Click Save Changes.

For additional reference, please check this article: Update payment method for QuickBooks Online subscription. I'm here as well to help if you have any questions.