I can change the country of my apple ID to Thailand ?

I want to change the country of Apple ID to Thailand in order to DE my VISA card. But it appears that the iTunes won't allow me to change due to I have a balance that I redeemed from iTunes Gift Card left. Could you help remove those remaining balance out from my Apple ID so I can change the country of my Apple ID to Thailand? My name is kanlaya khamhan I need to clear my balance in my apple ID bacause i want to change my region, DE to Thailand. My apple ID is k*******@gmail.com.

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