Change country?
Please, can you clear my account to change the country? Thanks.
We are users like you, not Apple employees, so we don't have access to your data information, so we can't help.
Buy something more expensive and pay the balance with a credit card or contact iTunes Support and ask them to zero balance your account. See the Apple Support articles below for contact information.
Apple Support schedule phone call
If necessary, try Twitter
https://twitter.com/AppleSupport. People have posted it may take an hour or more to get a response.