Take no notice of stock in cheap shop (8,5)

I believe the answer is:

discount store

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'cheap shop' is the definition.
(shop where things are sold at discount prices)

'take no notice of stock' is the wordplay.
'take no notice of' becomes 'discount' (I am not sure about this - if you are sure you should believe this answer much more).
'stock' becomes 'store' (synonyms).
'discount'+'store'='DISCOUNT STORE'

'in' is the link.

Can you help me to learn more?

(Other definitions for discount store that I've seen before include "Shop offering goods at reduced prices" , "place with low prices" , "retail outlet" .)

I've seen this clue in The Daily Express.

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