What products does Costco require for you to get 2 of? For example, the loaf of bread that they sell requires you to get 2 (if they are not prepackaged to 2 already). Is there any other product that Costco required you to get two of?

Muffins and sweetrolls

Muffins in the bakery area, there are several items packaged in multiples

There are lots of things you have to buy in bulk meaning more than two or two it's great if you're shopping for like a month at a time or more plus their food quality is really good

The place isn't good for basic food shopping. It's great if you're buying food for a daycare. You might find high quantities of some things convenient, but it's a bulk type store.

House supplies