Quote Originally Posted by Maelwys View Post
Levelling a crafting job is quite different in this game due to the cross class skill system - and the most efficient way is to use Leves (if you synth a HQ version of whatever the Leve contact is asking for then you get 3x the exp for handing it in... and if you get short of leve allowances, there are "triple hand in" leves where the final contact gives you the option to repeat the hand-in section three times before going back to the initial quest giver)
Unfortunately, SE has nerfed that xp bonus to only 2x. You only get double the xp from leve turn-ins and crafts for hq items. It is still the fastest way to level crafting though, and some leves are obviously better than others for grinding.