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go into trades Absolutely. A plumber is never going to see business dry up, if you'll forgive the pun. "Unlimited upside potential" is another thing said by p

• Applejinx 9y ago
  Not quite true: when we're all living in modular robot houses that aren't human-maintainable, the plumber's got no purpose anymore. But for the time being, he's got a very large installed base of stuff to maintain, and he's going to be as secure as he wants to be (if he knows enough of the entrepreneurial thing to manage a personal business and his reputation).