There are actually a number of
VB CC who commute from Sydney in particular. They are attached to the BNE base. I know of at least one in Perth who commutes to MEL. If i can get hold of my mate in SYD tonight I will find out the detail from him, but I know he occasionally commutes to MEL to start from there on occasion and from time to time starts his trips from SYD though he mainly commutes to BNE.
So it can be done! but these people set up their situation a while back when DJ were dithering over whether to set up a base in SYD.
If I can get more accurate info I will send it directly to you not post it.
Cheers.