Notice: You have been identified as a bot, so no internal UID will be assigned to you. If you are a real person messing with your useragent, you should change it back to something normal.
squeegee joined in and replied with this 8 years ago, 2 minutes later, 4 hours after the original post[^][v]#846,512
because amazon does all their own sorting and routing and only pay the post office to deliver the "final mile."
they get a discounted rate because they don't just drop packages at the post office and have them do all the sorting and routing around the country. that's why.