Can I earn more money by getting a promotion than by buying stocks?

I can only work 10-12 hours a day. <br><br>Can it be proven that earning more money by getting a promotion is more than by investing my money? <br><br>For example, if I earn 50k a year, I need to save nearly 200k to be able to live from age 60. Theoretically, I need to save 20% of my income every year to retire at 60. <br><br>I can work more hours and earn more. If I only work the same 12 hours a day and save all my extra hours to work, thats 30 hours more per week. If I make 50k a year for working 40 hours a week, how much more can I earn by working 70 hours per week? <br><br>I am not talking about overtime, I am talking about two different professions. <br><br>I can earn 50k a year by working 40 hours a week in one profession. I can earn 100k a year by working 70 hours a week in another profession. So, this profession pays (100-50k)/30 extra hours worked = 1.6k dollars per hour worked. <br><br>Is it possible to earn 1.6k per hour with stocks? I dont think so.<br><br>To earn 1.6k an hour from stocks, I have to have 100k in stocks and have 1.6% return per hour which is a 16% per day return.