Connoisseur wants item offered at low price first (10)

I believe the answer is:

specialist

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'connoisseur' is the definition.
(thesaurus)

'at low price first' is the wordplay.
'at' is a charade indicator (letters next to each other).
'low price' becomes 'special' (I can't explain this - if you can you should believe this answer much more).
'first' becomes 'ist'.
'special' next to 'ist' is 'SPECIALIST'.

'wants item offered' is the link.
This may not be correct. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for specialist that I've seen before include "One skilled in a limited field" , "particular skill" , "Expert" , "One skilled in a specific field" .)

I've seen this clue in The Times.

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