Maybe something simple like using an alarm clock to wake up every morning would qualify. But even that can go wrong -- the alarm can have a dead battery, it can mess up on DST changes, ...
So, you get more time because you don't have to vacuum yourself and it does it while you're not in, so the whole process is seamless.
Not sure if the realm of finances is included for this question, but this is one automation that I heavily rely on.