Ok the best 3 star classes to have is Goldsmith, and Carpenter, and Alchemist, for Artisan master book. Total waster for BSM, CUL. BSM if you paid gil to unlock you get 3 spells, CUL, no one is using the food, I gave it to a healer and caster for the Spell Spell & Deter and they just ate buttons of black truffle.

For Demi-craft master book: ALC, BSM, CAR,and GSM, but WVR wasn't worth my time. But in 2.4 it looks like wedding dresses and Tuxedos can cost up to a mil+