Amount off product
Savings on specific products (collections, tags, SKUs, detailed rules). Examples: wholesale tiers on tees; protect margin; per‑kg coffee; fixed mug price.
Amount off order
Savings on the whole cart total. Examples: spend 20 off; B2B rebate; exclude sale lines from the total.
Amount off shipping
Cheaper or free shipping. Examples: free over $75; express half off for VIPs; postal-code promos.
Combine discount
Stack product + order ± shipping from one eligibility gate. Tab per slice — add up to three (one product, order, shipping each).
Buy X get Y, Gift with purchase
Buy A → get B or gifts when they spend or buy enough. Examples: buy 2 get 1 free; spend $100 pick a gift; tiered gifts.
Mix & match set
All-or-nothing sets of products. Examples: any 4 for $40; 2 shirts + 2 pants for 20% off; outfit bundles.
Discount code rejection
Decline matching codes at checkout with cart rules and localized shopper messages — not a %-off promo.