All the cards I entered is declining

Hi olamide10,

welcome to the Apple (user-to-user) Community.

Re: "I keep getting told to contact apple"

We are all Apple users, like yourself, in this Community, so no-one here has access to your accounts or details. We'd like to help, however.

If you need to contact Apple: There is a "Support" link at top right on this page,

and another "Support" link at bottom left.

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Re: "All the cards I entered is declining"

You may need to check the payment methods that Apple can accept in your country or region: Payment methods that you can use with your Apple ID – Apple Support

All the best :-)