It's 68 max right? That means if you have over 680 max, it amounts to less than 10% damage output increase. Even less so for alchemy, magic, puppets, and soon gunner.
>10%
>>Not a lot
It's not necessary by any means, but it's still a *lot* of damage. Considering the difference between something like Spike and Sniping...
Which type of combat do you hit the hardest with :x?
Probably fighter.
and how much times do you commerce in a day, and from where to where carrying what?
That's classified information. If I told you, i'd have to kill you.