Walmart, Costco and Wegmans rethinking self-checkout options

Self-checkout can be convenient for some but overly frustrating for others. And it's not just a headache for shoppers, some grocery stores are rethinking it too.
Walmart, Costco and Wegmans are revising their self-checkout strategies after noticing an increase in merchandise losses from customer errors and shoplifting.
Many customers argue that the machines are slow, unreliable and impersonal.