How to manage student debt, mortgage, car loan, and family expenses

Many workers are currently struggling with student loan debt, mortgage payment, car loan, and family expenses. This problem makes me reflect on how these factors shape our lives. How can one manage these expenses? The student loan has been used and must be paid back. Mortgage payment should also be paid so one cannot sleep on the street while car is necessary for commuting and carrying stuff from the grocery. Family expenses involves education of children, grocery, utility bills, car maintenance, among others. There is also another potential expenses which may complicate the situation. The potential expenses is the one that should be dedicated to improving your career. Many people do not make progress in their careers as a result of these expenses. The problem is that we don't think about these complications at the time of choosing our college majors and careers. By the time people discover the problem, it is almost late. There is no more time to change the profession and the family has already been constituted. The object of this post is to alert those who are about to choose their careers so they don't make the same mistake as those of the present generation. 
     In the next post, I will suggest some ways this problem can be reduced.