"profitable occupation" is a correct phrase and can be used in written English.
You could use this phrase to describe a job or career that will generate a good income or result in financial success. For example, "John has achieved great success in his profitable occupation as a financial advisor."
For many decades, schoolyard bullying has been a profitable occupation.
For centuries, lobstering was a profitable occupation in the Sound.
It is a highly profitable occupation – some of the biggest YouTube celebrities, Oakley included – are thought to earn six figure salaries through sponsorship and advertising alone.
For many centuries the oyster beds of the Persian Gulf produced some of the world's finest pearls, and pearling was once a thriving and profitable occupation.
As a profitable occupation, bank robbery leaves a lot to be desired".
By the mid-17th century, mining was in decline, as the silver deposits had been all but exhausted (in 1666 there remained only 16 iron smelteries), forcing the population to seek a more profitable occupation.
Moreover, by inducing labour and capital to move from less to more profitable occupations or areas, the competitive mechanism constantly restores prices to these "natural" levels despite short-run aberrations.
This will ensure that more women are engaged in a form of occupation that is profitable and can sustain the economic and health needs of the family.
An occupation that had been seasonal and modestly profitable became year-round and lucrative.
Actually, Lee out-Flauberts Flaubert: he has redefined the novelistic occupation into something that is both nicely profitable and seemingly angst-free.
Most of them worked as computer programmers, an occupation that they had taken up in America, where they found it easier and more profitable than trying to prove the value of their Russian degrees in science or the arts.
