Financial gains from the branches (9)

I believe the answer is:

windfalls

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

'financial gains' is the definition.
The answer and definition can be both related to property as well as being plural nouns.
Perhaps you can see a link between them that I can't see?

'from the branches' is the wordplay.
I cannot really understand how this works, but
'from' could be 'in' (I've seen this in other clues) and 'in' is found within the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Globe and Mail.

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