At the moment I got herbalism 375/375 and mining 1/75 and I really want Engineering.

So my question is:
Should I
a) go Herbalism & Engineering (Farm easy with herbalism and buy ores)
b) skill up mining to 375 then take away Herbalism to take Engineering.(I could get ores more easy, but not all engineering mats comes from veins/ores)
c) You give your suggestion to a solution to this problem.

Thanks for any guidance.
Best regards, Ameranth.