Some of you will say Ya Gen, but thats why you just take a complimentary gathering profession so you can farm your personal mats. This is accurate, but you will Quite swiftly reach a stage where the materials you call for will be unattainable at your characters stage.
And what are you gonna do, wait around until you can farm them yourself. Hell no, I know you better than that. Youre gonna go run to the AH and start acquiring components for the sole function of leveling your crafting wow gold occupation. Welcome to the poorhouse.
The downside to this is that the desire for Icy Dragonscales will not be consistent. Your focus on industry would be the casual players in your realm since raiders would be able to get products by working raids with their guild.