Put money in the bank (4)
I believe the answer is:
save
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">put money in the bank</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for save that I've seen before include "Rescue; store" , "Prepare for a rainy day" , "Rescue from danger" , "Set aside" , "Bar" .)