Not everyone can or should own their own shop- that's not me being mean, that's me being honest. Hell, I still don't know if I should have my own shop; it sure is more work than I ever thought it would be!
Being comfortable with the chemical compositions and technical applications used in the manufacturing of the instrument can help you analyze what happened to create the problem and how it can be fix, without just putting a band-aid on the issues.
To The Young Ladies,
Don’t be so scared. When you walk into that music store, when you walk into a repair shop, when you walk into a wood working shop… Don’t be scared, because with or without experience, you have every right to pursue your desires.