You and I will have trouble getting rich (8)

I believe the answer is:

welltodo

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'rich' is the definition.
I know nothing about this answer so I can't judge whether this works.

'you and i will have trouble getting' is the wordplay.
'you and i' becomes 'we'.
'will' becomes ''ll' (contracted form, as in 'he'll' - 'he will').
'have' is a charade indicator (letters next to each other).
'trouble' becomes 'todo' (I can't explain this - if you can you should give a lot more credence to this answer).
'getting' is a charade indicator (letters next to each other).
'we'+'ll'+'todo'='WELLTODO'

Can you help me to learn more?

I've seen this clue in The Irish Independent.

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