Cards and the stuff nobody tells you
The selection is endless. You can find ecards for all occasions. Birthdays, condolences, thinking of you, funny, romantic, anniversaries, graduation, and just because cards are readily available on the internet. And they do not cost you a cent! It will not cost you anything because you do not have to buy a card or a stamp. Best of all, you can send them any time as long as you have the email of the recipient.