I really like the answer to this Quora question. Key points:
Engineering is not enough
Marketing and Maintenance are even more important - if you want a sustained income stream
You need to weigh the alternatives you have and make sure you are making a good decision
Make the numbers work for you
Read it and learn - I hope you'll enjoy it and find insight in it as I have
Logic and Compassion, Facts and Nurturing, Fun and Exploring - check here
We continue the sometimes joyful and sometimes painful path to try to be better human beings - this is only possible because we can rise above logic, that we find the wonder and hope, the language and words to inspire us and keep us going. Thanks for visiting.