If you're planning to give that beautiful bottle of wine to your top client for Christmas, you may want to wait until February.
Giving expert and author of "Giftology," John Ruhlin, who has consulted for companies like Wells Fargo, Shell, and the Chicago Cubs, says that the holidays are the worst times gift business clients.
He explains, "Your holiday gift isn't likely to stand out and it can seem like you bought it out of obligation.