Not worth bothering with financing — it is complicated (13)

I believe the answer is:

insignificant

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'not worth bothering' is the definition.
I can't judge whether this definition defines the answer.

'financing it is complicated' is the wordplay.
'complicated' indicates anagramming the letters.
'financing'+'it'+'is'='financingitis'
'financingitis' is an anagram of 'INSIGNIFICANT'.

'with' is the link.

Can you help me to learn more?

(Other definitions for insignificant that I've seen before include "Too small to matter" , "Unimportant" , "Irrelevant" , "Negligible" , "Piddling" .)

I've seen this clue in The Times.

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