Purchase Rules lets you control how customers buy. Create rules with a minimum quantity, a maximum quantity, or a multiple-of step, and apply them to hand-picked products or whole collections. Rules guide shoppers on the product page and are enforced at checkout, so invalid carts cannot complete payment. Add volume pricing per variant with fixed unit prices or percentage discounts, shown to customers in a price table. Manage tiers one by one in the product admin or in bulk with CSV import and ex

• Minimum, maximum and multiple-of quantity rules per product or collection
• Real checkout enforcement: carts that break a rule cannot complete payment
• Tiered volume pricing per variant, fixed unit price or percentage off
• Bulk import and export tier prices via CSV by SKU, variant ID or handle
• Customizable storefront blocks: limit badges, notes and a volume price table

When a product sells out it often stays near the top of your collection, where shoppers see it first. This app fixes that automatically: in-stock products stay on top and sold-out ones move to the bottom. Switch it on for a collection and it stays sorted as inventory changes, in real time. Restocked products return to their place. Enable or disable collections in bulk, follow each one's indexing status, and turn a collection off anytime to restore its previous order.

• Auto-sort a collection by turning on a single switch to move out-of-stock produc
• React in real time, with re-sorting that follows inventory, product, and collect
• Manage in bulk by enabling or disabling many collections together.
• Automatically enroll every new collection in auto-sort