[hyp0]

The perennial question is: what do you like to do, that is worth money? What Color is Your Parachute is a job-hunting guide, but most of it is working out what you like.

What skills have lasting value? JS frameworks seem to come and go faster and faster, each one tweaking some aspect and reinventing the rest. Is there any evidence that the current crop will last any longer?

But the underlying principles are lasting. And writing, mathematics, problem-solving, people-skills are lasting.