Here's a nice spot on earth that's as tax free as it gets.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=0CDcQFjAEahUKEwit7aHgit7IAhVWKYgKHa2WA8M&url=http://www.sovereignman.com/offshore/a-hidden-paradise-with-no-income-tax-or-property-tax-12086/&usg=AFQjCNGPYYP-ql2tC7_PcpRVdVSiZiuDiA&sig2=Iwqt3LT6hL-_gnndbtx3eA
Almost....you do have to pay the government $70 a year, per cow, which can then freely graze on public property. So, close.
I wonder if the Australian gun laws apply there?