Bigger isn’t always cheaper. On Amazon, larger packs can cost more per unit than smaller ones. Different sellers price each ...

Unit pricing makes comparing products—from one brand to the next or between different sizes—more like comparing apples to apples, so it's easier to see which item really saves you the most money.

If you carry a cell phone, you also have a calculator. Pretty much every mobile phone on the market has one, so you have no excuse not to do some intelligent per-unit math while you're out shopping.

When Software as a Service (SaaS) products scale, it might be tempting to think that traditional unit economics rules no longer apply. Expectations of economies of scale further fuel this notion. Yet, ...