Sure, you can always buy a pre-written card at any store, with the sentiment still being very sweet, but a personalized "thank you" message really goes the extra mile to show someone you cherish ...

Crafting the perfect thank-you message is easier said than done, though. The best cards strike the right balance of heartfelt and personal, and have a hint of humor thrown in there for good measure.

One card simply stated: “Thank You for Being My Person.” According to the Greeting Card Assn., Americans purchase around 6.5 billion cards each year.

I love to do nice things for people, for no other reason but to bring joy, but I especially love the opportunity to do something nice for people like my ...