Unless your passion is a religious one, or you want to join some sort of commune, money is usually a necessity. And you may indeed, at first, have to make the acquisition of it a priority. Unfortunately, that’s where most people tend to stop, because of that scary message that they must actively protect any job they’re lucky enough to get.
Following that path does not lead to happiness. The higher paying accessible careers tend to be that way because not many people want to do them. You can certainly make a lot of money doing them, but it’s not likely you’ll wake up every day feeling enthusiastic about what you do.
One important thing to consider is that just because you have a job, doesn’t mean you have to stay in it. Job security for a job you don’t want to have doesn’t really make any sense if you think about it properly.
If you’re not currently doing what you want to be doing, you need to be planning how you’re going to change that situation.