Please allow us to pause rested xp

[Wilksha]

Just switch weapons to change into a crafter or gatherer. It doesn't take you out of the queue. Just make sure to switch back to your main when the queue pops.

Yes this is very true and it seems many don't know you can do this.
Want to make Class/Job changes faster? set a Hotbar or Crossbar to be shared, which if you don't know shared bar don't change when changing to a different class/job, then set your gear sets onto this bar letting you quick change classes making your duty finder wait time productive in some way with a quick click or a few button presses back to your duty class.