Hello and thanks to all in advance for any help!

I'm a returning player who currently has a lvl 50 Black Mage that, I have to say, I have no clue how to use any more. I'm kind of OK with this at the moment as I would like to roll a few different starting classes in order to try some new stuff out.

The question I have is, should I start a new toon so that I get the benefit of going through the story mission (that I barely remember) or should I just go and start with the prospective class trainer on my old lvl 50 BM toon? I ask this because I want to know how easy it will be to level up say a lancer without having the benefit of gaining xp via doing the story missions.

Also, my lvl 50 BM has an almost full inventory. I have almost zero clue what to do with any of this stuff as I've been away from the game for a LOOOONG time haha Feeling a bit overwhelmed by even logging on to that toon. Some guidance would be extremely appreciated!

All that said, I am currently rolling a new character and having a blast going through the story mission and learning Lancer. Should I just stick with this? I would hate to waste all the mats and equipment that I amassed on my previous play through.

Thanks!!