Automating some of your finances can be incredibly convenient and is a great way to save time, but automating everything makes it too easy to go on autopilot and forget to pay attention to your personal finances.

If you say you want to automate cars and save people's lives, the skills you need for that aren't taught in any particular discipline. I know - I was interested in working on automating cars when I was a Ph.D. student in 1995.