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.
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
The reason why February subscriptions provide 28 days of game time.