Crossword Genius

Teens poor with two grand investment? (4,3)

Ross

I believe the answer is:

nest egg

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

'investment?' is the definition.
The definition and answer can be both related to property as well as being singular nouns.
Maybe you can see an association between them that I can't see?

'teens poor with two grand' is the wordplay.
'poor' indicates anagramming the letters.
'with' is a charade indicator (letters next to each other).
'two' says to double the letters.
'grand' becomes 'g' (G is short for grand as in a thousand).
'g' doubled is 'gg'.
'teens' with letters rearranged gives 'neste'.
'neste'+'gg'='NEST-EGG'

Can you help me to learn more?

(Other definitions for nest egg that I've seen before include "Money set aside for retirement" , "Sum of money put by as a reserve" , "Savings kept in reserve" , "Sum saved for the future" , "Money saved for a rainy day - by bird?" .)

I've seen this clue in The Sun.
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