You say plenty of ways but I only know of 2 gathering items and selling them indivdually or as a unique item if you are lucky and slaying monsters or undead. I do not consider 2 ways to be many. Feel free to correct me if there are more ways.
Those two ways also happen to be the two main focuses of the adventurer game.
You know, the stuff your advy is pretty much expected to be doing 80% of the time.
