Md Nazmul Islam

Your sale is live. The admin shows the right numbers. But your collection page displays every product at regular price, no sale badge, no crossed-out original. No error. No warning. Just missing pricing that customers never see.

Your theme shows 1000 instead. The cart total is missing a currency symbol. Or prices look fine in USD but break when an international customer switches currency. Every one of these problems has the same root cause: a missing

Collections and tags look similar when you first open Shopify. They both organize products and show up in your nav and filters. But they work completely in a different way. But mixing them up can cost you.

Running a Shopify store means making changes all the time. You update products.You test themes.You replace images.You edit pages.You import data.You try new apps and workflows. That is normal. The problem is that even small changes can