If I had kids, I'd absolutely tell them to at least consider things like electrical work - from low-voltage network cabling for businesses to plain old electric

If I had kids, I'd absolutely tell them to at least consider things like electrical work - from low-voltage network cabling for businesses to plain old electrical to specialized high-voltage stuff. Some of it may not be glamorous, but at the high end where you're doing diagnostics and fixes for problems, etc. I guarantee folks are making some money and while you might never get rich, you'll also probably always have work available.