Over charge
I downloaded an in app purchase that was supposed to be $4.99 and got charged $24.34 afterwards and was charged an additional $10.61 after that.
See the Apple Support article(s) below. Link to contact Apple Support in the article below.
Normally, all sales are considered final, but you can ask for a refund.
If you have received a confirmation email, click the Report a problem link at the bottom.
How long refunds from the App Store or other Apple services take.