> But there are heaps of people who're happy to pay exorbitant prices to have things delivered to them. It's not always convenience; how much will it cost thos

> But there are heaps of people who're happy to pay exorbitant prices to have things delivered to them. It's not always convenience; how much will it cost those people to leave their working place? Imagine you are a trader or a doctor. Now suddenly, leaving your workplace for a bag of nice hot chips means not saving someone's life or losing a good trade that could earn you a yearly bonus. Those $4 sounds cheap to me in those cases.