>>79371111You don't have energy, you do have to wait for some of the buildings to finish, but only a handful. Plus, while the building is finishing up, your progress isn't stuck, since you can focus on the notice board.
See here: Blue "Quests" on the left are story missions, which include buildings. The rest are tasks, which are independent of the Quests, and yield xp and credits. So you're not really stuck even if you're waiting for your building.
Which are usually finished overnight, anyhow.
