You know how specialisation leads to increased productivity.........

Some examples, found by tutor2u
https://www.tutor2u.net/economics/blog/skills-to-pay-the-bills?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Wed%2020th%20September%202017&utm_content=Economics%20daily%20digest%20Wed%2020th%20September%202017+CID_664d0989df85753e3446adcb5e8c9a73&utm_source=CampMonitor&utm_term=Skills%20to%20pay%20the%20bills%20Some%20awesome%20examples%20of%20fast-hand%20skills%20here%20and%20learning%20by%20doing%20But%20dont%20try%20many%20of%20them%20at%20home