If you only have a moderate interest it will not be enough.
The job requires passion and discipline. If you don't love it, the journey is simply to long and treacherous.
It's also not fun having job day every six months passing your checks. Your career could be set back because of a difference of opinion, particularly in regionals.
It'll be a ten year journey from now to an airliner via the traditional route and you will be starting your life over.
It took me a long time to catch my mates financially and I started the journey in my very early 20s.