WOW Gold Information Resource Compilation

No, not buying/selling it online. Don't do that. Legit ways to make it in-game.

WOW Insider Column "Gold Capped"
WOW Insider Column "Insider Trader"

http://www.justmytwocopper.org/ - WOW Gold Blog

Caffeine, Smokes and Auction House Fees
Trading with Zoxy
Warcraft Econ
The Consortium Forums - 3,41
The Gnomish Coin
Cold's Gold Factory - World of Warcraft Auction House & Gold Tips
Nerf Faids
Foo's WoW musings