Crossword Genius

Ready and neat source of funds (4,3)

Ross

I believe the answer is:

cash cow

I'm a little stuck... Click here to teach me more about this clue!

'source of funds' is the definition.
'cash cow' can be an answer for 'source' (I have seen 'source of profit' mean 'cash cow' so perhaps 'source' could also mean 'cash cow'). I am not certain of the 'of funds' bit.

'ready and neat' is the wordplay.
'ready' becomes 'cash' (I've seen this before).
'and' means one lot of letters go next to another.
'neat' becomes 'cow' (I can't justify this - if you can you should give a lot more credence to this answer).
'cash'+'cow'='CASH COW'

Can you help me to learn more?

(Other definitions for cash cow that I've seen before include "Something providing a steady income or profit" , "Money-maker" , "money-spinner" , "Saw choc (anag.); steady investment" , "Steady income provider" .)

I've seen this clue in The Hindu.
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