Vulgar answer you profit little from (3,6)

I believe the answer is:

low return

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'you profit little from' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'vulgar answer' is the wordplay.
'vulgar' becomes 'low'.
'answer' becomes 'return' (returning is a kind of answering).
'low'+'return'='LOW RETURN'

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I've seen this clue in the Evening Standard.

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