While you work for another party, you will earn the hourly wage that the company pays.
You can qualify for raises by completing additional training and continuing education credit hours.
As you amass experience, you also increase your salary level.
Learning automotive locking mechanisms, residential, commercial, and industrial locks will also increase your value to your employer.
When you open your own business, you can offer courses to teach locksmithing.
You would need the experience and training for this, something that master locksmiths offer.
A master locksmith typically has their certification, six years experience at a minimum, and conversant knowledge of all four lock specialties.
You could also offer security consulting services to help businesses and homeowners design safer environments.