I recently reported on Frendgiftr and GiftCardMall.com, both of which are convenient because they have a large number of gift cards available in one place.  Today I came across this site, snapgifts.com, which carries lots of different gift cards and appears to have quite a few more (750 different retailers) than the other two.  If the convenience of buying just about any gift card from one place, saving you the trouble of visiting the stores directly to purchase gift cards, this seems to be the place to go.  The convenience will set you back a $2.95 shipping and handling fee per card.