What is the benefit of using an Amazon Locker rather than shipping to your home? Maybe in neighborhoods that have a high stealing packages percentage.
The term lockers also imply (incorrectly) that they are supposed to be purchased by people for packages to be shipped to (like a PO box), the name might be hurting their success.
I can't find anywhere on any of the Amazon Locker pages where it lists a single benefit of using the lockers, http://www.amazon.com/b/?node=6442600011&ref=locker_fd_brws
http://www.businessinsider.com/amazon-no-rush-delivery-2012-...
From my experience the difference is that they delay shipping your item. They claim to have one of the best shipping and handling systems in the world but for some reason they save money by delaying boxing an order for a week, it doesn't really make sense to me. I think they're really just trying to get people to purchase Prime.
By choosing 2-day, you're forcing Amazon to pick and pack that order today probably, tomorrow at the very latest.
By choosing "no rush", you allow them flexibility to fulfill from a wide variety of centers, on a wide variety of days. Maybe there's a weekly cycle in order volume and no rush orders may allow them to even that out with a more constant labor force.
But the fact that amazon has tried some lockers but it doesn't seem the common way to buy stuff, and there's no huge scaling effort from amazon, seems to indicate that people prefer to recieve packages at home.
And bezos understands that in this game, if you want to make profits, you need for customers to love using your services.Having that ability at low enough costs could earn you a monopoly. And than might be the time to play with "amazon lockers" and other cost cutting measures.