You make it sound like engineers are the odd ones out, when in fact they're the norm and sales work is the weird one. Apart from some hospitality jobs and other

You make it sound like engineers are the odd ones out, when in fact they're the norm and sales work is the weird one. Apart from some hospitality jobs and other tipping work, most permanent jobs have a set rate per hour. From the janitor to the financial controller, almost everyone knows exactly what they're going to take home next month.