Do you have to buy a graduation gift after receiving a graduation announcement‪?‬ Kelli & Guy

For Woman's Wednesday Kelli needed advice. She received a graduation announcement from an old friend about her sons party. It's been so long that Kelli has never met her son. The announcement invited Kelli to the graduation party and also had the link to her Venmo. Kelli can't attend the party but wanted to know whether she still has to send a gift? #kelliandguy