Which is entirely irrelevant in Australia as the consumer law is based on expectations and the value of the item. If I buy an expensive fridge and it fails in

Which is entirely irrelevant in Australia as the consumer law is based on expectations and the value of the item. If I buy an expensive fridge and it fails in 5 years due to a faulty component, then that is up to the retailer and manufacturer to sort out between themselves as to who wears the cost of replacement or repair.