Find a new coat in the “reduced by half” sale (6)
I believe the answer is:
locate
'find' is the definition.
(locating is a kind of finding)
'a new coat in the reduced by half sale' is the wordplay.
'a new' is an anagram indicator.
'in the' is an insertion indicator.
'reduced by half' indicates taking half.
'coat' with letters rearranged gives 'ocat'.
'sale' with half the letters taken is 'le'.
'ocat' placed inside 'le' is 'LOCATE'.
(Other definitions for locate that I've seen before include "Pinpoint, find" , "Discover place where thing is" , "Discover the position of something" , "Lay one's hands on (something)" , "Place, situate" .)