Amazon shipping can be terrible depending on where you live. Here in Hawaii they claim 3-7 business days which they regularly don't meet. The pattern I've noticed is that they wait until the very last moment to ship and then use priority overnight to try and meet that deadline. I think they do this to try and pool shipments but it never works out that way. I count on all orders taking a full two weeks to arrive.

I'd cancel Prime in a heartbeat if I had a remotely comparable alternative. They use to provide value in terms of making it easy to pick good products but the 3rd party seller thing has made this more difficult.