I fail to see the appeal of Amazon Prime for shipping. You folks who already have it probably don't pay attention to other shipping options but, for almost everything shipped by Amazon, free shipping is offered and the arrival date is only a day or maybe two days after the expensive, paid shipping. And Prime doesn't get it there much sooner. I don't know how many years I've been buying from Amazon but, however long it has been, I've never bought anything that I couldn't wait an extra day or three to get.
And for many things sold and shipped by other vendors, shipping is also free. I try to avoid third party vendors on Amazon, though, because I don't know whether or not they'll honor a 30day return policy, or if I'll have to pay shipping if I return something.