Currently Being ModeratedJun 29, 2012 2:05 PM (in response to jmartin123)
I believe the iTunes Store can make a one-time exception to this rule and refund the item for you. Just send them an email explaining your situation, and expect a response in 24-48 hours. Visit http://expresslane.apple.com and fill out the email form.
Meanwhile, you might want to make sure your iTunes Store warnings are turned on, so you can avoid making purchases by mistake. Look here:
Resetting iTunes Store warnings