Start each character double gathering, then transition into whatever's useful. They've added, and will continue to add, new SoD specific patterns to SoD. Each of the armor crafters can now make an excellent piece of gear for the current level cap, and they also added raid specific consumables to give them repeat sellable stuff. Engineering is super powerful baseline.
The one that looks initially weak is alchemy, since it'll be like 9 months until we hit the important consumables/funky trinkets.
Also, save any Small Eggs you get leveling, lazy people pay good money for them during the Christmas event.