The average age of trade workers is over 50. Carpentry is in extreme demand but the pay hasn't caught up yet -- eventually it will.
Demand already far exceeds supply.
Edit: I like how I gave a perfectly truthful answer to the question and I'm being downvoted to oblivion. A lot of contempt for tradespeople, I guess. I went to high school with people who became electricians and they were all debt-free millionaires with their own businesses (usually several) by 40.