From what I heard from friends at FB, it was either signing bonus or something else that was slightly less in Seattle than it was in SF. But overall, I am in f

From what I heard from friends at FB, it was either signing bonus or something else that was slightly less in Seattle than it was in SF. But overall, I am in full agreement with you. You will be able to save noticeably more as a FB engineer in Seattle as opposed to SF, while living around the same lifestyle level.