Revise a city rent that's bound to bring better profit (9)

I believe the answer is:

certainty

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'bound to bring better profit' is the definition.
I can't judge whether this defines the answer.

'revise a city rent' is the wordplay.
'revise' indicates anagramming the letters.
'a'+'city'+'rent'='acityrent'
'acityrent' anagrammed gives 'CERTAINTY'.

'that's' acts as a link.

Can you help me to learn more?

(Other definitions for certainty that I've seen before include "Cinch" , "Sure thing" , "Foregone conclusion" , "It's inevitable" , "Something definite" .)

I've seen this clue in The Guardian.

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