One of the options for students enrolling into Hogwarts, if they come from a wizarding family, is that they have the option of using a hand-me-down wand. But short of wands being damaged beyond repair, we don’t see many people replacing them, even though it happens enough that hand-me-downs are a valid option for new students.
So how long does one last? Does a wizard normally use one wand in their lifetime, or is it the kind of thing where an old, worn-out wand is fine for schoolwork, but you’d need something newer/better for adult life?
I’m guessing it’s sort of like a Zippo lighter in that it’ll last more than a lifetime in the right hands. Or perhaps more like a wedding ring. They probably grow real attached to their existing wands as an extension of their arms since nobody is showing them off, bejewelling them, or putting stickers on them. But then there’s Lucius…