Quote from misterno:
Regulated cartel?
I dunno where you live but tThey work for peanuts in TX. Go to craigslist you will find alot of poor plumbers begging for job, of course most of them are hispanics
Try to become a plumber who can hold a sign out to the public and have a real business (rather than posting to do work on craigs list.. plenty of people can fix/try to fix your pipes who are not part of the profession). It is a regulated profession, that does not mean people do not work under the table.
It is not just plumbers. Property surveyors, electricians, etc all have little cartels, just like the professional jobs: lawyers, Doctors, dentists, etc.