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 analyze the data for long how each product sits on average and compares it to the shelf life. Then they overstock to be safe, and to have a buffer against spikes in demand.