March 11th, 2020 10:23pm
Campaigns simply convert a certain amount of your energy to money or influence. You get 100 energy per hour, so if you have a campaign running for 15 energy, then you get 85 energy per hour for rehearsal.
If you let your energy max out at 600, then you won't accrue more energy and the campaign will stop as well. Campaigns will run if you don't have the game open as long as you log on a couple times a day to rehearse and keep your energy from capping out.
Campaigns are part of a very long term strategy. You are essentially giving up short term success now for greater success later.