As far as keeping focus, I've heard a few freelancing visual effects artists claim that bouncing to the next project as soon as they're stuck or bored on one is

As far as keeping focus, I've heard a few freelancing visual effects artists claim that bouncing to the next project as soon as they're stuck or bored on one is something that works for them. You have to build in time up front to be able to afford that luxury though, and it still requires a ton of discipline either way.