With "Amount off products with amount limits", you can target collections, products and variants. The applicable method decides how the discount is spread across the cart, and what the maximum discount amount is a limit on.

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Wherever this page says "item", it means a Shopify product variant. The same product in two sizes or colours counts as two separate items.

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The two applicable methods

Applicable method How the discount is applied What the maximum discount amount limits
Applies only to the most expensive subtotal item in the cart A single discount, taken off the item with the largest subtotal One limit for the whole cart
Applies to each item in the cart individually Each eligible item gets its own discount A limit per unit

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The same "maximum discount amount of 100" means different things in these two. In the first it is 100 across the entire cart; in the second it is 100 per unit.

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True of both applicable methods

1. Applies only to the most expensive subtotal item in the cart

The amount is worked out in this order:

  1. Add up the subtotals of the eligible items
  2. Multiply that total by the discount percentage
  3. If it exceeds the maximum discount amount, stop at the maximum
  4. Take that amount off the item with the largest subtotal

When the limit is not reached

Settings: Maximum discount amount 600 / Discount percentage 50% / Discount targets: Collection A

Item Collection Unit price Quantity Subtotal Eligible?
Item A Collection A 100 6 600 Eligible
Item B Collection A 200 2 400 Eligible
Item C Collection B 300 1 300 Not eligible

The eligible subtotals add up to 1,000 (Item A 600 + Item B 400). Item C is in Collection B, so it is not counted.

1,000 × 50% = 500, which is under the maximum of 600, so 500 it is. That 500 comes off Item A, the item with the largest subtotal (600).