Learning to get to a best price per unit is a pretty useful skill that could make a lot of difference for a lot of future adults, just like financial literacy.

Learning to get to a best price per unit is a pretty useful skill that could make a lot of difference for a lot of future adults, just like financial literacy. Some things aren't optional, and if they are seen as such, it's going to force the child to learn later in life what they couldn't earlier on.