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Trading and trade-related tasks. The ability to get better prices for items you sell, and lower prices for items you buy.— In-game description

Barter is a skill in Fallout 3.


The Barter skill is primarily used in the buying and selling of items, such as trading with a merchant or scavenger. In general, purchase prices will be lowered and selling price will be higher. It is the primary factor in price determination, and is also offset by the Barter skill of the non-player character in question. The skill is also used in certain dialogue options with non-player characters, where certain responses require Barter checks.

Initial level

"Never forget to walk away with more than you've brought."

Barter value

Example: A starting Charisma of 5 and Luck of 5.

Derived values
  • The final value is rounded to the nearest integer at the end of the calculation.
  • The item value is the rated value of the item present in their Pip-Boy menu description.
  • The modifier is defaulted to 1 (or 100%), and it will change in accordance to other discounts or price increases coming from the specific vendor you're buying or selling from. For example, the 10% discount you get in Moriarty's Saloon for treating Gob kindly.
Barter Sell % Buy %
0 45 155
20 54 146
40 63 137
80 81 119
100 90 110

Each 5th point increase in score increases the sale price of an item by 2.25 percent. And a Barter skill of 11 allows the Lone Wanderer to sell at practically 50% of the rated value of an item.

A high Barter skill is a good choice for characters lacking Strength, since they do not have much room to carry many items and, subsequently, have less things to sell. However, having a companion partially negates this, since they can be given around 200 pounds of weight.

Barter based perks

Perk Required Level Additional Requirements
Master Trader 60 14 Charisma 6

Available discounts

Interactions that require Barter skill

A number of dialog based trading can be altered with sufficient Barter:

Ways to increase Barter


Notable Barter experts


The Lone Wanderer will eventually have more bottle caps than is possible to spend, so deciding whether or not to put points into Barter during character development is a strategic decision. Barter is best taken early on, to more effectively sell loot or acquire better equipment.