Bulk Pricing vs. Tiered Discounts: what's right for your e-commerce store?

"Bulk pricing" and "tiered discounts" are often interchanged in Shopify app marketing, but they reflect fundamentally different business cases. Understanding the difference is critical to avoid under-incentivising the desired behaviour or cutting into your margins on undeserved orders.

"Bulk" (quantity-break) pricing discounts the price per item depending on how many units of a given product a customer buys: 1 at full price, 3 at -10%, 6 at -20% and so on. It's appropriate when your margin per unit increases with quantity (shipping costs per item drop, packaging economies of scale), or you want to drive a recurring purchase pattern.

"Tiers" (cart-value) discounts reward the total value of a customer's order, which may contain multiple different items. A customer could buy one of each of three SKUs and qualify for a free shipping threshold at $75 or 10% off at $120. This is appropriate for category-wide sales where customers are buying a variety of different products (apparel, gifts, etc.)

How to decide

• If customers tend to buy multiple units of the same SKU (supplements, consumables) → bulk pricing
• If customers tend to buy a mix of different products in a single order (apparel, home goods) → tiers
• If you want to do both, apply bulk pricing at a product level and tiers at a cart level, but make sure you make the two rules easy to distinguish (e.g. "Buy 3 get 5% off") so a customer who buys 3 of a product and one of another doesn't think they're entitled to 15% off instead of 5%

The presentation of value is as important as the value itself

Whatever method you pick, make sure that the value is apparent before the customer adds the product to the cart. A quantity-break table on the product page or a progress bar displaying how close a customer is to the next tier are much more effective at driving order value increase than a simple percentage displayed at the bottom of the product page.

We developed Discount Hub — Bulk & Cart Sale to let Shopify merchants apply both types of discounts in one transaction, displaying the progress towards the next tier to the customer. Here's our Shopify Apps page.