That sinking feeling in your gut will pass... don't worry.
Players pre-ordering Warhammer Online from either of these retailers may be experiencing some small technical difficulty, but the WAR team was quick to point out that they're working with them to resolve issues.
Best Buy & Best Buy.com:
Best buy is currently experiencing technical difficulties with their web site and delays in distributing the pre-order boxes to local stores. They are working as quickly as possible to supply their customers with pre-orders, however, at this time many people will be unable to pre-order the Collector's Edition from them.
Customers pre-ordering more than one Collectors Edition per order may only be receiving a single set of codes. We are working with Amazon to ensure all customers receive a set of codes for every Collectors Edition they pre-order.
Read more at the WAR Herald.