When I attempted to change my country in the “About me” user id section, I got a stern warning that doing do would render my subscriptions invalid and my content null and void. I’ve recently signed up in Australia for a couple of very expensive apps, which sound as if they will be canceled. Is this the actual case?
Yes.
If you change Country or Region, you must comply with all regulations described here -> Change your Apple ID country or region
Change your Apple ID country or region - Apple Support (KW)
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What to do before you change your country or region
1.
You need to ZERO your Apple ID balance.
Depending on the amount:
1.
If your balance is less than the cost of a single item, contact Apple Support directly, they will help you clear your balance: Get Support
2.
See -> Check your Apple ID balance
Check your Apple ID balance – Apple Support (UK)
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If you have Apple ID balance you can't use.
You can't redeem or return Apple Gift Cards, App Store & iTunes Gift Cards or unused Apple ID balance for cash, except as required by law. If your jurisdiction allows the refund of redeemed gift balances, you can contact Apple Support to request a refund.
When you contact Apple, include the following information:
• Your Apple ID.
• The refund amount.
• Your current delivery address.
2.
You need to Cancel your subscriptions and wait until the end of the subscription period.
3.
Make sure that you have a payment method for your new country or region. See what payment methods you can use.
You need to have a debit / credit card issued by a bank in your new country.
You need to have a billing address in your new country.