I play a holy Disc priest with enchnt/tailoring. 369.375 and I haven't spent a single gold piece on them yet, well rune thread, yet, also have a swift purple birdie. I DE quest rewards and netherweve armour for mats.
To finance it I buy and DE from the AH. On my server Large Prismatic shards go for about 17g, so every day I buy any 66+ blue item that is 12g or less, de and repost on the Ah. I have foound the various imbued netherweave armours great for this as a lot of tailors use them to get to 375 then dump them on the AH. I think the AH software sets a default price of 5g 14s which some people except. Their loss I guess.