Yes, you have to have a boxed copy (or a digital download of the game) to use pre-paid game cards. This is because the game cards are ONLY for game time.
"WoW Buying Gold" is not a company. Rather, it is a concept in which World of Warcraft online gamers can spend real world dollars to purchase World of Warcraft gold.
Officially, Warcraft 3 (including the frozen throne expansion) came before World of Warcraft. You can check out the whole Warcraft timeline on the World of Warcraft website in the links section below.
Buying gold in World of Warcraft is against the terms of World of Warcraft and 90% of those sites are illegitimate. They are full of key loggers and other kinds of viruses to hack accounts.
Buying account for World of Warcraft is against the Terms of Service. Most of the account buying websites are scammers. All they want is to take your credit card information and steal your money. The best way to get a high level character is to level it your self.
Wow gold is a shorter way of saying World of Warcraft Gold. Selling and buying World of Warcraft Gold is considered to be controversial. Companies have been selling the gold.
Buying gold for World of Warcraft is against the terms of service. Legally, gold and characters are not property of the players, but of Blizzard entertainment. Since selling it is technically theft, and your account can get banned for buying or selling gold/characters, it is unwise to do so. Don't buy gold, don't get banned.
Buying gold in World of Warcraft is against the rules. You can get your account banned if Blizzard detects you have been buying gold.
you can obtain a pet by either buying on blizzard Website or taming one in game
You get rough stones from mining OR buying them from a miner in the auction house.
By buying a copy of World of Warcraft sold in an American store. Note that you will suffer from worse lag, and you may find the world a lot emptier because of the time difference.
Before 3.2
ANY place that buys or sells World of Warcraft accounts is not legit. Buying and selling World of Warcraft accounts is against the AuP and ToS that everyone agrees to when they install, patch or upgrade the game. There is no site on the internet that can legitimately sell a World of Warcraft account.