Leveling advice (wizard)

[Alarria]

I'm finding it hard getting back into EQ, as it's been like 7 years since I played. I'm doing the whole root nuke thing until 29 when I can quad (I assume, only level 4 at the moment). I've completely forgotten how you get gear. Are there quests for stuff as you level, or can random mobs drop stuff? Do I need to mainly buy stuff from other players? Feeling like a complete newb here!