Troubleshooting

When a discount does not apply, shows the wrong amount, or fires in the wrong market, and how to work out why.

February 5, 2026

Shopify Discount Rounding Issue: Why Your Fixed-Amount Discount May Be Off by a Few Cents

Shopify's checkout calculation engine can silently alter fixed-amount discounts by a few cents. Here's exactly what's happening, why, and what it means for your store.

August 1, 2025

Why Your Multi-Currency Discount Is Not Applying (And How to Fix It)

The discount shows the wrong amount, fires in the wrong market, or does not apply at all. What causes each case on Shopify, and the fix for every one.