Crafting and gathering self sufficient??

[Osiril]

As title say and more precise, let's say i have all crafting,gathering and some DoW/DoM (for mobs mats) classes on lvl 50.....is DoL enough to farm all needed mats for ENTIRE craft from DoH classes (+ ofc any DoW/DoM class to farm mobs mats)???

I suppose there are some mats that are collectet by some kind of crafting currencies but this not count


P.S.
I simply consider going into crafting gathering stuff self sufficient by farming mats by my own and not spending any gil them except that buyed from vendors of any kind.