Originally Posted by
Tziva
If you're concerned about maximising, you should build the buildings for your trained professions in order to have access to work orders for materials and the better recipes (although the recipes you can get in Ashran or from other people's Garrisons, I think).
You don't get access to all the recipes unless you have the profession. The best recipes are still limited for people who have the profession itself.
I have one of my professions and an enchanting one, because I like being able to DE, and I like having access to the weapon transmog enchants.