Crusades destroyed dodgy salesman's stock? (4,4)

I believe the answer is:

used cars

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'dodgy salesman's stock?' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'crusades destroyed' is the wordplay.
'destroyed' is an anagram indicator.
'crusades' with letters rearranged gives 'USED CARS'.

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I've seen this clue in The Irish Times.

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