CX pilots we’re getting away with claiming HK residency while living in Australia up the 1990s. Join CX, do a few years overseas and eventually obtain an Australian base. Quietly shift back and think being out of the country for more than six months of the year kept you out of the ATOs clutches.
This doesn’t work anymore with computer matching in Canberra. If you have a “significant presence” in Australia then you will be hit up for income tax. Basically if you maintain a home and have immediate family living in it, you are up for tax on worldwide income.
If you want to escape the net then have no property available for your sole occupation, take your family with you and carefully count the number of days you spend down under.
Most importantly have a good accountant give your arrangements the once over to avoid and mistakes.