Also, being shy is ok. Some of the most brilliant people are shy. I suggest reading "Quiet: The Power of Introverts in a World That Can't Stop Talking" to understand that it's not a handicap, and can be an advantage!
Alongside the high-tech - Having a degree to match certainly helps! For that sector I suggest not rushing into an expensive degree, it would be very beneficial to go to a community college as well as take Dual Credit courses to cut the cost of that degree!