大地主（你的房产抵押方/银行）一年能加9次息，小地主一年只能加一次租。

In Queensland and Western Australia, in most cases, landlords can only increase rent every six months and must give 60 days notice.

In Victoria, NSW, South Australia, Tasmania and the ACT, landlords can increase rent once every 12 months and must also give roughly two months notice.

In the Northern Territory, landlords can increase rent once every six months and only have to give 30 days notice.