They predict that by 2020 up to one third of the total shops at shopping centres in countries like the Netherlands will be closed down due to the economic crisis and competition from web shops. If it comes true, your project will a leader of this service. Good luck dev.
i totally agree with you. From my view, due to competition from web stores, people will not go out for shopping. They can stay at home and buy things, and then autonomus robot will deliver to your home. So comfortable and convenient.