I hit 40 today and have the horse nice to travel and explore now. Soloed the warlock to 40 no problems at all. Very little down time if you don't get 200+ ex per kill move to higher level mob.
I wish I would have done herbalism and alchemy. I did taloring and enchanting. I am at 260 taloring and 195 enchanting. Once I hit 225 enchanting putting a 15% run speed on my boots will be nice. I think herbalism and enchanting would have been 2 tradeskills better to have then the 2 I did.
I made most of my own equipment while leveling up the skill. Didn't bother selling anything in the auction houses just sold back anything I didn't wear to the NPC's. Disenchanted everything I looted that was green or blue that I didn't use.
Played eq for 2 years and Final fantasy for one year so far this game for my play style is far superior and much more fun to play.