How do I pay my bill
How do I pay my bill on my apple account? I have not received a bill or my card
MacBook
There are some informative topics online in Apple Support, such as this:
• Use Apple Pay on your Mac (essentials) - Apple Support
https://support.apple.com/guide/macbook-pro/use-apple-pay-apdb5bd5e280/2020/mac/11
• Payment methods that you can use with your Apple ID - Apple Support
https://support.apple.com/en-us/HT202631
• How apps, content, and subscriptions from Apple are billed - Apple Support
https://support.apple.com/en-us/HT201359
• Change, add, or remove Apple ID payment methods - Apple Support
https://support.apple.com/en-us/HT201266
So you can see examples of Apple Card other means to use payments
with Apple, these are just a few I'd bookmarked; while I don't use it.
And this answered ASC thread, has links to articles ~ & covers most those Q's:
• How to set up Apple Pay on my computer (& connect user id to another bank account) - ASC
https://discussions.apple.com/thread/252254435?answerId=254271499022#254271499022
And should be an adequate reference for various aspects of this topic.