There is a complex but ridiculously well-thought out pipeline for getting your order to your door, by the estimated delivery date. If a few AusPost drivers cal

There is a complex but ridiculously well-thought out pipeline for getting your order to your door, by the estimated delivery date. If a few AusPost drivers call in sick, your package is one day late. If your Prime last-mine Flex driver doesn't show, the app texts other Flex workers with ever-escalating payments for the 'block' until someone accepts (as much as ~A$60-80/hour gross if it gets that high).