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Way to make money transfer? Qualified banks succeeded (4,4,4)

Ross

I believe the answer is:

hand over fist

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'way to' is the definition.
I can't judge whether this definition defines the answer.

'money transfer? qualified banks succeeded' is the wordplay.
'money transfer?' becomes 'handover' (I can't justify this - if you can you should give a lot more credence to this answer).
'qualified' becomes 'fit' (I've seen this in other clues).
'banks' is an insertion indicator (bank can mean to surround or border).
'succeeded' becomes 's' (genealogical abbreviation).
'fit' going around 's' is 'fist'.
'handover'+'fist'='HAND OVER FIST'

'make' acts as a link.

Can you help me to learn more?

(Other definitions for hand over fist that I've seen before include "(Gain) rapidly" , "(E.g. make money) very easily" , "speedily" , "Rapid rate of money-making" , "With rapid progress" .)

I've seen this clue in The Times.
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