If you bought something by mistake, how do get your money back after?
How do you*
Apple Event: May 7th at 7 am PT
How do you*
Mac App Store: Frequently Asked Questions (FAQ) - http://support.apple.com/kb/HT4461
What is the Mac App Store refund policy?
If you experience a technical issue with an app, first contact the developer of the app for assistance. Their support contact information can be found on the app's page in the Mac App Store. If that does not resolve the issue, contact Mac App Store Customer Support.
To try and get a refund...
Contact the Mac App Store Customer Service:
http://www.apple.com/support/mac/app-store/contact.html?form=account
But it is stated that all Sales are Final...
If you bought something by mistake, how do get your money back after?