If you want to take it a step further then try sending cards at other keys times during the year. How about sending one out at the end of January with a Superbowl theme? One at the end of June for July 4? These would surely work better than a Christmas card.
Sounds like what my insurance man & realitor do.
I must admit, it gets to the point where I don't even read their cards (easter, Thanksgiving, Etc.) I just pitch 'em. Oversaturated & becomes another souce of junk mail.
Would it be a bad idea to send them AFTER the holidays, say, early january, wishing them a happy post-holiday season? I might consider this.
Well this morning I was discussing this thread with my wife and found out why........... She has been sending Cards to every single one of my clients from the calendar list (names and addresses are there). She tells me she sends out a card to each client in that year, each one that responds she sends a card to the next year. Counting them up from those already received this year that is 11 people reciprocating, 8 of those are repeats from previous years, one client was from 13 years ago.