Etiquette expert Jan Goss agrees—so much so that she always carries a baggie of small thank-you cards in her purse. “Never pass up an opportunity to leave a thank-you note.

According to the Greeting Card Assn., Americans purchase around 6.5 billion cards each year. Unsurprisingly, birthday cards make up more than half of those sales. But thank you cards rank at third ...

A newly married couple is questioning their decision to not mail the groom's family thank you cards because they live in the same household as them. 'We assumed we didn’t need to, thought the ...