There is a limit to the amount of Blizzard Balance you can have on your account.
Information about authorization holds on your bank statement
Instructions to check the status of an order placed on the Blizzard Shop
A temporary pre-authorization charge may be applied when making a digital purchase.
Information about authorization holds in your bank statement
Payments in the Blizzard Shop cannot be split between two payment methods
Received a PayPal email notification for a Blizzard purchase made by someone else
Information about sales tax being applied to purchases made from Quebec.
Troubleshooting steps for the error: "account_not_trusted_write_locked"
Information for tax-exempt organizations making digital purchases of Blizzard games and other digital products