Sister and I have a reasonably good relationship, we live very locally but don’t see each other much due to Covid, haven’t had a coffee and chat since last Autumn, a couple of texts per week to say hi etc.
On that basis AIBU for thinking it strange and feeling a little humiliated to be told by a distant relative over messenger that her house was on the market. It had been spotted on Right Move and transpires it went up a three weeks ago. Add to that I had a doorstep chat with her (and her DH) two days before this discovery whilst dropping a birthday card off for one of her kids!