Ever noticed those tiny numbers and symbols on Costco price tags and wondered what they actually mean? Those cryptic codes ...

Aldi's price tag system is pretty straightforward once you get the hang of it. Here's every single Aldi price tag code, explained in detail for you.

When you scan the shelf, your brain registers the four and encodes the price as being closer to four dollars than five. This left-digit bias can boost sales by a significant margin. Retailers avoid ...