We are experiencing the same issue. Is the thread being monitored by Shopify aupport staffs and therefore issue will be fixed instead of having to pay Shopify Partner a fee to fix the issue?
Topic summary
Merchants report that Shopify’s automatic discount codes fail to combine at checkout despite being configured to do so. The original poster has two automatic discounts set to combine with qualifying items, but only one applies during checkout.
Common troubleshooting attempts:
- Verifying discounts are set to combine in settings
- Checking for conflicting conditions between discounts
- Testing with order totals well above minimum thresholds
- Confirming no third-party apps are interfering
Key issue identified:
Shopify’s documentation states “if an item is eligible for multiple discounts, only the largest discounts apply,” which contradicts the concept of true stacking. Multiple users express frustration that this isn’t genuine discount combination.
Specific limitations mentioned:
- Cannot stack multiple discounts on a single item
- Restrictions exist on active automatic discounts and discount codes
- Only certain discount type combinations are supported (product+product on different items, product+shipping, order+shipping, etc.)
Current status:
This remains an ongoing, unresolved issue spanning 2+ years. Shopify support directs users to help documentation without addressing the core functionality gap. Several merchants report identical problems with various discount combinations (percentage off + free gift, free shipping + sale discount) that should theoretically work but don’t.