My husbands cousin who is very wealthy and about 45 and adores my husband but clearly does not like me so much, sent our son a graduation card with nothing in it. The lack of money is not the issue at all. I am concerned that my son is hurt and I am a little offended. Even several friends who attended his graduation party who are clearly without any extra money gave him something. I was thinking of sending a thank you card for the congratulations card as my way of letting her know I feel she was inappropriate. Just to make it clear we know she is doing fine financially, and my husband and her have a great relationship even though they don't see each other much. I personally think it was an attack on me. Well I guess the saying is true that you can't please all the people all the time.

I would try to avoid a confrontation, if at all possible. As you said, it's not about the money. And have your son (not you) send the thank you card, as it was a gift for him (not you). If you were to send the thank you on his behalf, it might look like you were meddling, IMHO. And since you don't think the cousin likes you, you don't want to fuel the fires of resentment.

I am reminded of Roman 12:18 in this situation--If it be possible, as much as lieth in you, live peacably with all men.

 slk-thanks for the Christian reminder! I come here for a reason!

Well, sometimes I don't follow my own advice, so I need to come here for the reminders, too!

Best of luck in that sticky situation. It takes a lot of self control to keep quiet when someone slights our young'uns, doesn't it?

 Yes but I need to be the better example don't I?

 I have to agree with slk.

And I agree with slk too.  You should be a little more gracious, set an example for your son.  It's not always all about you.

I have to agree with the previous posters as as well - did you send this person a graduation announcement so you could share a momentous occasion in your family's life, or so your son could get a gift?  No matter how much money this person has, where is it written that an announcement mandates a gift of any kind?  And why does the financial status of the potential giver equate to the size of the gift (if any)?  People who wish to send gifts should do so, and people who acknowledge the event without gifts are still acknowledging the event - which is the polite response to an announcement; gifts are extra, and should never be expected or assumed.  Assuming that a gift must follow an announcement (no matter how momentous for the person(s) involved) implies that the gift is more important than the event, and I find it hard to believe that that is the only reason to send an announcement.  And what makes you think that this is a dig at you?  If this person had sent a gift, would you have assumed it was aimed at your husband?  Your son (not you) should send a thank you card for the congratulations, and that should be the end of that.

 When we sent out graduation announcements for our children, it was to share our joy at the accomplishment.  Some people sent gifts, & my children sent thank you cards.  Some people sent cards (no gift), & our children were glad that these people wished them well, but they sent no thank you cards. 

When DH & I were married, some people were sent invitations to the wedding, others received wedding announcements. Some of both groups sent gifts, & some did not. Where gifts were sent, a thank you card was also sent.

I don't think you, or your son, need to send anything.  The card was a way to share your son's accomplishment, & the cousin sent a card to congratulate.  Would you send a thank you card to someone who sent you a birthday card? I don't.

I don't think it was a dig at you, but I personally believe that even if you knew it was, you should refuse to acknowledge the same.  Altho decidedly not scriptural, I learned a long time ago that taking offense when offense WAS intended simply gives the one trying to offend you a certain amount of satisfaction.  Choose to refuse delivery of the offense.

Just my thoughts

 I don't send thank you cards for regular cards.  

 There are just too many assumptions in this whole situation.  I agree with the others to just ignore it.