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.

According to Swann, it’s good practice to write a thank-you note within one week and, if possible, within three days. "But being late is always better than never sending one at all," she tells ...

If you’re including a thank-you gift, note it in the card. A simple “I hope you enjoy the flowers” or “I hope this little gift brightens your day” is great.

Second, a thank you note doesn't need to be long. It's a special way to show your appreciation, so keep the focus there. Keep it short, simple, and to the point.

A thank you note is a special way to show your appreciation, so keep the focus there. Keep it short, simple and to the point. For the holiday season, here are some simple, yet thoughtful things ...