I have found a couple of sites where greeting cards can be purchased and sent to your friends & family. Some of the sites will choose for you (with you getting final approval) and some you just go through their selections, pick your cards and tell them when to send them. After you pay for them, of course.
The cards seem reasonably priced and it looked like there was a pretty good selection at each of these sites. But the thing that interested me the most, was that they accept submissions for card designs!
So, needless to say, I have started creating cards out of some of my hand lettering designs. I have submitted a few, so we’ll see where that goes! Take a look at a few: