Generally, your main source of income should be a combination of levelling your Dwellers, completing objectives, and periodically returning Wasteland explorers.

Wasteland explorers will occasionally find caps on their journey.

Selling excess weapons, outfits, junk, and dismantling rooms also provides varying amounts of caps.

Successfully rushing a room grants a significant amount of caps.

Completing objectives grants either bottle caps or Lunchboxes, which will frequently hold plenty of caps themselves.

Levelling up your Dwellers grants you bottle caps equal to their new level.

There are a few ways to get more caps in Fallout Shelter: How to get bottle caps in Fallout Shelter

Rushing is a risky option for providing any kind of regular earnings - as we mention in our general tips page - and so here we'll be focusing on the best, most reliable ways to earn bottle caps, and the equally useful Lunchboxes in Fallout Shelter, mostly by using Objectives. Bottle caps are an important resource in Fallout Shelter, and your main source of income should be a combination of levelling your Dwellers, completing objectives, and periodically returning Wasteland explorers.

Fallout shelter lunchbox