Postcards can be found at nearly every tourist destination around the world. And while they're always a popular and cheap way to keep in touch with friends, they also suffer from being incredibly ...

For instance, a 3" x 3" square postcard on 14 pt. gloss paper starts at $12.60 for 100 cards, while standard-sized 4" x 6" double-sided postcards begin at $26.40 for 100 cards.