Seperate the Grind from Item creation

[Felis]

erm while offline leveling is a valid idea,

why doesnt SE just add more leve's instead of 1, 10, 20, 40 wheres the 30 catagory? why'd it get left out and misex in with the 20's?

Ehm, there is no level 10 category?
There is 1, 20 and 40
Level 10 crafting leves are in category 1 and level 30 in category 20