How can students manage their study with their hectic routine(due to jobs or others learning matters like a side business) while they couldn't follow their Time Table due to Unpredictable jobs/works which continuously disturb their study?
No matter how hectic the routine/activities are, serious minded students can still create time (no matter how little) because they are aware of what is at stake. I believe students in this category can even perform better than others who are not so busy.
Hectic routine is not important for being a better students or better career. I think, main matter is to able to do something by hook or by crook. Mental satisfaction is the mainstream thinking for being the best thinker or career gainer.