In Australia, there are a number of ways to structure your home loan repayments. Finding the best option may save you time and money on your mortgage. Here is some information to help you choose the repayment structure that works best for you. Variable rate loans Variable interest rate loans are all about flexibility. Essentially, with a variable rate loan, the interest rate moves up or down as the market moves. This means your loan repayments may also change month-to-month.