cash in (on (something))

to make money doing something.

Companies developing this technology are not necessarily cashing in.

Criminals cannot cash in on their crimes by selling their stories to the newspapers.

• at a rate of knots
• at a snail's pace
• at a stretch
• at a time
• at beck and call
• at best
• at convenience
• at cross purposes
• at cross-purposes
• at death's door
• at each other's throats
• at earliest convenience
• at ease
• at elbow
• a tell-tale
• a tempest in a teapot
• at every turn
• at expense
• at fingertips
• at first blush
• at first glance
• have a shot at
• have a shot at someone
• have a shot at something
• have a shufti