As of others have said, you don't need much to level unless you want to quad kite and need a bigger mana pool.
Testament of Vanear is an easy quest that is worth doing -
https://wiki.project1999.com/Testament_of_Vanear_Quest
This guide is a good place to start. You can camp or buy cheaply all of the pre-planar stuff -
https://wiki.project1999.com/Equipping_a_Druid