Only problem I see is one I am currently facing : is that to craft the higher recipes after you have learned them, you will need some Spirits of Harmony and, for that, you can only get them by gathering motes in Pandaria.
Also, and for this I am uncertain, but I believe that some of your recipes are also only available in Pandaria and not from the trainer.
In 3 professions (Leatherworking, Blacksmithing and Engineering) I farmed 10 Motes at 85 and bought one Vale recipe to finish up 575 to 600. In all the others I didn't use Motes/Spirits. My tailor is just 82 and did it without going to Pandaria. Here's the Tailoring recipes:
In this list there are recipes as low as 545 that don't turn gray until 600. I must have used one or more of those to get to 595, and then used Darkmoon Faire for the 5 points to hit 600. Since I'm 600 now they are all grey so I don't know which one it was.
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