Even in case of larger quests, usually you can't count on receiving more than 100-200 bottlecaps. Completing quests isn't a very profitable job in Fallout 4 if you consider how badly you are rewarded for that.

Important - the most valuable items to sell should be stashed in a container in the settlement or in companion's inventory until you unlock higher levels of this perk. This perk guarantees you better prices at merchants, allowing you to receive more bottlecaps for the same unneeded equipment. However, don't rush your first visits at merchants, first you should develop the Cap Collector perk (you can unlock first of three levels at the beginning of the game). Try to explore visited locations thoroughly and collect mostly items of great value. One of the best ways to quickly get rich is by getting rid of all unneeded items you found at the merchants.This perk will guarantee that you will find more bottlecaps in a container or near enemy body than usually. You should quickly develop it to the second level (of four possible). It is a good idea to take interest in the Fortune Finder perk early in the game. Look especially for chests in which you can find up to few dozens of bottlecaps. The most obvious way to obtain bottlecaps is by finding them in the game world.On this page you will find many hints on how to earn money legally, without using any exploits which sooner or later will be removed with patches. It's especially troublesome during the initial phase of the game, when you can't afford even medium quality weapon and ammunition for your weapons. Similarly to most other RPGs, you will always have not enough of them. You should take interest in the Cap Collector perkīottlecaps are the official currency in Fallout 4 game.

Fallout 4 level 4 merchants