Hello there, @rowyn34.
QuickBooks Online (QBO) enables users to easily modify their payment method for subscriptions. Let me guide you through the steps.
Here’s how:
- Click the Gear icon and select Subscriptions and billing.

- Choose View payment history.

- Go to Payment method, select Edit.
- Once you save your updates, the changes will appear on the Subscriptions and billing page.
Feel free to check this resource for more details: Manage billing, payment, and subscription info.
We encourage you to reply to this thread if you have further questions regarding changing payment methods in QBO.