A certain outlay generates some benevolent advice (10,4)

I believe the answer is:

cautionary tale

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'some benevolent advice' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'a certain outlay generates' is the wordplay.
'generates' indicates an anagram.
'a'+'certain'+'outlay'='acertainoutlay'
'acertainoutlay' anagrammed gives 'CAUTIONARY TALE'.

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I've seen this clue in The Daily Express.

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