At least with CR, their subscriptions are pretty trivial to cancel, and I think they even pro-rate the refunds. I don't subscribe to them on a regular basis (I

At least with CR, their subscriptions are pretty trivial to cancel, and I think they even pro-rate the refunds. I don't subscribe to them on a regular basis (I don't buy things often), but I have subscribed to them a few times to make a better informed decision on an upcoming purchase.