A month before our wedding in 2012, a cousin of my DH graduated high school. She's the third youngest cousin out of 25 cousins, and my DH is the 4th oldest, if that matters. He was invited to her graduation party but we couldn't go because we were moving that weekend before our wedding. But he sent her a check for $100 without my knowledge. Which is about $75 too much for a high school graduation IMHO but he had just gotten a well-paying job and was probably a little overzealous. I was worried DH would set a precedence (which I explained to him amongst other reasons) with this family, and now, we received an HS announcement for this cousin's brother. We are relatively close with the aunt and uncle but the cousins are significantly younger than us, but is it suggested to send the brother a check for $100?? Just to save face or to prevent certain negative feelings because the older sibling got $100 but the younger brother gets $25 (my opinion of an appropriate hs graduation gift)?