Is my build and farming way is ok?

[kootach]

hi.. im lvl 12 pure int s\s and wearing armor. my skills are beachon, fire and lightning, and i have 4 lvl gap right now (fire is my main imbue). i used sp calcuator and i need 3.5 k of sp to get to lvl 24 with all the skills maxed. ill farm at lvl 16 for 3.5k sp, and train with 0 gap till lvl 23. then il train with 3-4 gap untill lvl i dun know.

is that ok? if not what in doing wrong?