From Guild Wars 2 Wiki
vendors that accept coin in exchange for goods. These NPCs have names suffixed by "[Merchant]" or "[Shopkeeper]". Non-standard merchants offer a variety of cooking ingredients, food, alcohol, and consumables, while standard merchants offer some or all of the following items, depending on your or the merchant's level:Merchants are
- Items purchased from vendors can be sold back for 1/8th of their original value.
- Items sold to a vendor may be bought back from any vendor's "Buyback" tab, provided you have not left the zone or logged off since you sold the items.