Right after Christmas, I was at Costco and found a deal so good, and so puzzling, that Isaac wandered off and I didn't realized I had lost him for a good several minutes, I was that intent on the product. It was a three-pack of customizable Photo Stamps, worth $66, normally sold at Costco for around $40, for less than $20. Each pack in the three-pack was redeemable for twenty 42-cent stamps. So stay with me here: sixty first-class stamps, with personalized pictures and shipping included, for $19.99. Where I come from, sixty 42-cent stamps cost $25.20, without your own child's beautiful face on them. What a bargain! I bought three three-packs of fun stamps, cheaper than face value. And I tried to tell anybody who would listen at Costco to snatch them up, but nobody cared. Then I found Isaac. Tonight I spent way too much time ordering these stamps with custom photos to give as birthday gifts, and I know I could have found even more perfect pictures to put on the postage stamps h...