In fact, the 7-11 and Circle K here are so cheap that often times even buying in bulk, you can't beat their prices. And then there's the convenience factor: l

In fact, the 7-11 and Circle K here are so cheap that often times even buying in bulk, you can't beat their prices. And then there's the convenience factor: literally 30 seconds to grab what you want from the fridge and pay for it with the Octopus RFID tag.