Can I refund all the money I just added to my Apple ID to my card

You can't do that. Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

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If necessary, try Twitter

https://twitter.com/AppleSupport.          People have posted it may take an hour or more to get a response.

jaylan180 Sais:

"Can I refund all the money I just added to my Apple ID to my card: How"

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Retuning it:

Take it back to the seller, and request a return. It would depend on the seller's Terms & Conditions (something you would have agreed to, upon purchasing it).