The current idea I have in mind is that you will be able to get orb as a rare drop from mobs, you will be able to use those to upgrade certain things and when you upgrade skill or job, you will be able to run it all the time.
I would like to avoid adding a system like queue or something similar to ngu, because I think they can become anoying very easily e.g. you spend a lot of time optimizing the queue and then you unlock new things which makes it less efficient.