this is my first guide so dont be harsh lol
just get a good powerchopper script (i use coh3n's or smart cutta) and head west of port sarim or south-east of rimmington (right next to the little church)
just where the black circles are
here there are many willows (not many people chop here) just use the powerchoppa to gain alot of levels!
took me about 1 - 2 months to get to 80 wc here!
sure u dont make any money but u get some awsome levels!