With interest rates rising in recent months, many Australians have seen their mortgage repayments increase. As a result, more homeowners are starting to ask whether refinancing their home loan could help them reduce costs or improve their loan structure. In fact, refinancing activity has surged. Last year, more than 640,000 homeowners switched their home loan, representing a 20 per cent increase compared to the previous year. So, what exactly does refinancing involve, and ho