So you’re an expert. Now what?
You spent 10,000 hours mastering a piece of business software. You’re an expert. Cool.
You spent 10,000 hours as a market maker. You’re an expert. Congratulations.
You spent 10,000 hours as an insurance salesman. You’re an expert. Good for you.
So you’re an expert. Now what? Why not become an expert at something else? You don’t need to give up your original expertise.
Guitarists, chefs, woodworkers, mechanics, gardeners, comedians, filmmakers, are all experts. But most of ’em still have a day job.