I noticed recently that a Web site I was visiting had an area for comments, and noticed that some readers were selling insulin pumps. The writers indicated that they had acquired newer pumps, and the older ones were in pristine condition. For just a brief moment, it was tempting to consider contacting the writers, as I plan to switch to an insulin pump myself (sooner or later), and the quoted prices were less than I'd expect my co-pay might be when I do get a pump through official channels.

But,...