Re-Gifting

Several years ago when I first shacked up with Mrs P, I was taken aback (possibly mild understatement) at her and her mother's penchant for re-gifting of items they'd received that they either already had, or had no use for.
Now my folks weren't prudes, but it's a practice that would never have been contemplated (nor allowed if we had considered it) in our family growing up.
Over time, I think I've come around a bit and in certain circumstances don't think it's so bad (certainly can't let worlds collide when doing it), but it's something Mrs P and I often laugh about (our different angles on the whole process).
So, I wouldn't mind getting the thoughts of my SAFooty colleagues on the practice ... Is it acceptable?
Now my folks weren't prudes, but it's a practice that would never have been contemplated (nor allowed if we had considered it) in our family growing up.
Over time, I think I've come around a bit and in certain circumstances don't think it's so bad (certainly can't let worlds collide when doing it), but it's something Mrs P and I often laugh about (our different angles on the whole process).
So, I wouldn't mind getting the thoughts of my SAFooty colleagues on the practice ... Is it acceptable?