Originally Posted by
SpookyGhost
The game never actually encourages you to level multiple jobs to cap. In fact, you are never rewarded for doing so, only punished. The only way to properly gear/raid as 2 or more jobs in this game is to level an alt. You can gear up a second job eventually, but only after you've geared up your main job (unless you get really lucky and no one else plays your secondary job in your static).
For dungeons, though, Law and Alex NM gear is fine. If you step beyond that, that's when you'll start having issues.