QS is not supposed to be used to level crafters: It gives less (or no) exp depending on your level and depending on your gear it has a fairly high failrate. So its rather meant for massproduction of items during endgame.

To help you level your crafters you've got the following "tips and tricks" at your disposal:


- levequests are an obvious one
- Daily GC-turn ins are giving lots of exp!
- you get a weekly exp-bonus for crafting items, for crafting HQ-items and for melding materia into gear - just make sure you're on the right job when you finish those tasks
- Beasttribes will help you level your crafters aswell: The Ixal from 1-50, the Moogles from 50-60
- once you hit 50 you can also unlock collectiables that will give you exp and red scrips (I'd recommend that more for cul though since those mats are often cheap enough)
- with patch 4.1 tomorrow you'll also gain exp when you deliver goods to Zhloe in idleshire
- you might have also noticed that you get bonus-exp each time you craft an item for the first time - you could look into that aswell.

Conclusion: Do anything but QS to level up crafters!