To prepare for the task of being your own boss, you will need proper respect for the knowledge and plain hard work it takes to build even a simple business. Let's consider these one at a time. Almost everyone will want to make enough personal income to get along. Beyond that, there is a wide range of possible objectives. Between the two lies a big gap, and neither extreme is necessarily better than the other.
Personal objectives come in all shapes and colors.
You may identify with many or all of these objectives. You may have others. Add them to the list. The point is to think these issues through. If a big net worth is your target, becoming an independent consultant headquartered in the outback is not the business for you.