"In a world filled with deadly monsters, what's the harm? sell these for money."
Cigarettes are an in game miscellaneous item that can be sold at outpost for money. Cigarettes will stack in a players inventory.
Cigarettes in stacks of 5 can be traded in to a trader in the Lakeside Safezone for $200 and 770 Experience points. Also, if traded with a S&R Pistol to the Lake side Safezone for $60 and 224 Experience points.