Not all IF is selling at $100 a tin, it's mostly a2m, ballabys and aptamil WHA's IF range was not too long ago being flogged on sale at IGA, and they still had stock piles sitting there. That's what happens when you have no brand presence.
Parent's are rightfully cautious what they feed their children.
At my local, a2m is always in very short supply where BUB, and the rest are in abundance.