There's a very good reason not to roll toons at all, let alone for each class. You might get The Dip!



But yes, if you want to work on gearing multiple main jobs then you can always make an extra character or two, if that's how you want to play the game. I'd suggest using separate service accounts for maximum flexibility, this is what I do for my alt. (Yes, you need to buy 2+ copies and pay 2+ subs, but it allows mailing between characters and you can log both in at once and direct trade if you want too).