Skill that increases as you sell items. Higher skill levels raise INT and may teach you sales techniques to use in your store.
Once you progress enough into the game you are able to have your own shop.
Raising your Bartering Skill will allow you to perform different techniques with your customers.
Level ?- Talk it up-Increases your chance to sell.
Level ?- Sell with a smile-If successful will increase the purchase price, if not successful the item doesn't sell.
Level ?- Lower the price-Lowers the price, but increases your chance to sell.
Level ?- A little more-If successful it increases the sell price of an item, if not successful the item doesn't sell.
If you have unlocked any other techniques please comment below and I will add it. Also, if you know the levels in which these unlock comment that as well. Thank you!