To level faster---

build a pure int char...this chars at lvl 30 give more damage then other..
To farm--

the better way is to do it at lvl 16 with a good sos/som bow killing bandits...and u need a gap of 9
gap--

the diference between ur lvl and ur masteries lvl...if u got a masterie at lvl 7...max... and ur lvl is 16..u got a gap of 9....
having all masters you want at lvl 7 is the same of having, for exemple, one at 7 and others at 1,2,3... the higher masterie is the one that counts to make the gap...
ps: dont use all masteries, cause as u will see u got a max of 300 lvls for the masteries...skils are unlimited
to get money faster u need to trade....
thats all i know
regards and welcome