As a working holidaymaker in Oz, you’ll pay about 13-29% tax on your earnings. You could be using this cash for a trip to Thailand, a visit along the east coast,a trek to South America or whatever tickles your fancy. So when the tax year ends (June 30) or when leaving Australia you can claim your refund from t and top up your bank account, with the average refund being $2500, what are you waiting for!