Coles Group and Uber Eats are expanding their partnership, adding 500 stores nationally to the app so customers can receive groceries within an hour, just days after the collapse of grocery delivery service MilkRun.

Although some budget-conscious consumers are chasing lower prices, many wealthier shoppers are still prepared to spend more for convenience and are buying online and having groceries delivered through services such as Uber Eats and DoorDash.