My credit card, bank account or PayPal has a charge from Blizzard that I don't recognize.

A temporary pre-authorization charge may be applied when making a digital purchase.

Quest "All Charged Up" following the 8.0.1 prepatch in World of Warcraft

World of Warcraft subscriptions are non-refundable.

Have not received gold or items from a CoD (Charge on Delivery) mail.

How to pay for World of Warcraft game-time in your local currency

General information on setting up, maintaining, or canceling a subscription to World of Warcraft.

Information about the "You don't meet the requirements for that quest" errors from Herbalism quest items.

Information on how to set up a World of Warcraft subscription and manage it.  

Information about using pre-paid credit cards for Blizzard purchases