The 888 VIsa Entitlements all you have to do is have a Justice of the Peace verification of your balance of 19 Million of the currency in the area of the closest embassy for Australia near you.
If you say have 19 Million or more USA Dollars then all you have to do is get your bank statement sighted and fill out an application at the Australian Embassy and they will arrange your citizenship papers an Australian Passport.
Then you can come and go from
Australia as you please. See if you have this wealth, then your already an Australian Citizen you just need to physically apply to get your papers so hurry up we are bugging you to come for more than a holiday!