Rake in pot picked up (4)
I believe the answer is:
earn
'rake in' is the definition.
(as in raking in money)
'pot picked up' is the wordplay.
'pot' becomes 'urn' (urn is a kind of pot).
'picked up' indicates a 'sounds like' (homophone) clue.
'urn' is a homophone of 'EARN'.
(Other definitions for earn that I've seen before include "Gain through labour or work" , "Acquire by one's efforts" , "There's merit" , "long gone" , "Acquire by ones' effort" .)