So I have a Safari account. It lets me have electroic copies of tech books for a fairly low price.
I was looking at a book today, and it said buy print version 35% off for subscribers. Woot. Then I looked at amazon.com. I'd pay 50 cents more at Amazon but get free shipping.
I know which one is the better deal there. Sad as it is, the 35% discount sounds nice until you actually look at final costs. Sure free shipping means waiting a few extra days but that's ok, I've already got an electronic copy.