I_am_here_for_Help Said:
"I want to change my method to iTunes and not to card: I wonder how can I change my paying method to iTunes I have money on it but it takes me to fill in card info and I am confuse why I can’t use iTunes, I use card for a few purchase but i don’t know"
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Methods of Payment:
You can only have one Method of Payment by default. Everything comes out of your Apple Account first. Once zeroed-out, it comes out of your method of payment. See Here: If you Need to Change or Update your Apple ID Payment Method -Apple Support