Focus on whatever you do - success is part fortunate circumstances, so as long as you do the right things to develop yourself or run your own business, that is

Focus on whatever you do - success is part fortunate circumstances, so as long as you do the right things to develop yourself or run your own business, that is what matters. Some areas of tech earn more money than others, but what should matter most to you is that you are passionate about what you are doing. What other people are doing have little relevance to what you are doing except that you can learn lessons from the successes and failures of others.