I can not save the Payment Options. I uncheck the box and it rechecks it when I hit DONE.

@brendanohs2ol Welcome to community!

QuickBooks Online is designed to memorize previous transaction settings. If you are wanting to set the default settings to not allow online payments, please follow these steps:

1. Sign in to QuickBooks Online.
2. Click the Gear icon.
3. Under Your Company, select Account and Settings.
4. Click the Sales tab.
5. In the Customize section, click on Customize look and feel.
6. From the Custom form styles list, click Edit on the template to modify.
7. Click the Payments tab.
8. Click on the payment method(s) to disable.
9. Select Done.

It might seem as if the boxes reverted to their original state but once you create a new invoice you'll see the boxes on the invoice template are no longer checked for online payment processing.

Let us know if that helps!