Well, I suggest you not to solo... You should get to some point where you know there WILL be Euro parties, get a 9 gap there, and play as Cleric in there (or Wizard).
Depending on how much you play / how much you're devoted, really.
If you dont play very often ( say, 1 hour a day or less ), then find a good party, and play with a gap. Save some money, and pay for power leveling when you're 4x at penon is also another alternative.
If you're soloing, then there are nice places you could farm for yourself:
The level 29-30 centaurs ( good spawn, LOTS of wind 4 ). Ong level 33-34 ( very good spawn, but solo for a wiz is hard due to a lot of pt monsters ). Sungsung level 37-38 ( try to find a party here ) Mujigi 49-50 ( party if possbile ) Sonar level 59 ( a very nice place, mag-based monsters, no champ, no giant, passive. Farm a good amount here ). Dowhang cave.
If you want to farm seriously, then i suggest you play your wizard to around 60, and powerfarm another character at ong. With a good 60 + 4 or 5 staff, your wiz can 1 hit a pt ong, and getting around 5-10k SP an hour is not hard at all ( possbile for around 15k-20k SP an hour if you have x2 and x2 SP and a level 1 in your party ).
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