|Image Credit: Wow Gold Elite Guide|
This is what will make you gold, thinking outside the box. Any who, If tailoring isn't profitable I want you guys to try this out.
- Buy cheap Runecloth and craft runecloth headbands - Then disenchant them and sell the Illusion dust, Greater Eternal Essence and if you get any, Large Brilliant Shards.
Also look into crafting frostweave bags for gold. If you're able to pick up some cheap frostweave, you can make a killing making these bags. Another alternative is to farm your own cloth, but I don't suggest this. If you don't wish to craft frostweave bags, craft Wrath of the lich king greens and DE them, the wrath enchanting materials have skyrocketed to an all time high.
Additionally, see if you're able to snag a rich purple silk recipe/pattern for fairly cheap. These shirts sell extremely well at the auction house and have great profit margins.
Also as most of you know patch 4.1/4.2 is well on it's way, patch 4.2 brings a new raid and possibly new profession recipes ( Think TOC Recipes which are BOE ). One thing you can do is craft your Dreamcloth and stockpile it for 4.2, if new patterns/recipes do come out you'll be able to craft multiple epics and sell them at insane prices.
Additionally, check out the Cataclysm Tailoring Gold Guide, it outlines a couple ways you can make gold with Tailoring.