Crossword Genius

In the shops (2,4)

Ross

I believe the answer is:

on sale

(Other definitions for on sale that I've seen before include "Available for purchase" , "available in store" .)

I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.