Do a roaring trade (in something) British informal
To sell a lot of goods in a short period of time
Alison's done a roaring trade in second-hand clothes and helped her family to overcome the poverty.
Yesterday was a heavy rainy day, so Lee did a roaring trade in umbrellas.
The verb "do" should be conjugated according to its tense.
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.