Tanning
Some may view tanning as a disgusting job, skinning animals for their pelts. However, it is a very lucrative job, especially when selling the pelts to furriers and other people. Tanning allows you to also take pelts and turn them into leather, and then turn them into basic leather armor.
Level 1 (Novice): Can tan small animals, can make basic leather gear.
Level 2 (Skilled): Can tan medium animals, can make basic leather gear.
Level 3 (Adept): Can tan large animals, can make basic leather gear.
Level 4 (Proficient): Can tan all animals except for sentients, and make advanced leather gear.
Level 5: (Legendary): Can tan all animals except for sentients, and make studded leather gear if the player has metal studs.
Note that smaller animals give smaller amounts of leather for crafting purposes than large animals. A small animal gives 5 units, a medium gives 10 units, and a large gives 20.