Make a great profit (5,2)
I believe the answer is:
clean up
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make a great profit</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for clean up that I've seen before include "Put in order - gain financially" , "Make a substantial profit" , "Make a great profit" , "Win everything!" , "emulate Bowdler" .)