Eli5 How do grocery stores around the world afford to be fully/half stocked in a product 24/7 simultaneously even in small towns where not everything’s bought?

Question

Eli5 How do grocery stores around the world afford to be fully/half stocked in a product 24/7 simultaneously even in small towns where not everything’s bought?

In: 47

Answer 1

They do basic math to see what sells more and what sells less on each location. That way they can optimize their stock per location to have the less waste as possible.