Around the age of 40 is a time when you can definitely raise your earned income or business income for a while. The important thing here is that the value of your time can plummet in an instant.
You must think and invest with the fact that you have to quit because the company is in trouble, you can't get a promotion, you are forced to quit, or the business suddenly becomes difficult. Therefore, .....
원문 링크 : Investing after the age of 40
