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.

Costco is famous for unbeatable bulk deals, but few shoppers realize that its price tags quietly reveal valuable information.

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 ...