You can setup your minimum and maximum quantity of product that customer may get in a single checkout. How to set up product's minimum and maximum QTY Go to Admin > Products > All and choose the product. Scroll down to the "Inventory" section then setup your Minimum or Maximum quantity. Click Save. Check your storefront's cart to see if an alert is displayed when the allocated product quantity has not been met. Related ArticlesCreate productProducts inventoryCreate Buy X get Y discountCreate bundle discountCreate discount