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I've always found it a pain to carry all the duty free from where ever I got it from and found out from a friend a even better way of buying duty free and saving even more money.
Just take a photo of the price from the airport your coming from and if it cheaper when you reach the Australian duty free show the pic and you've saved money.
Brisbane, Darwin and Cairns airports only.
Foreign currency converted as per here: http://www.rba.gov.au/statistics/frequency/exchange-rates.ht…