Shopify does not allow products that have been hidden from a given sales channel to be used at checkout.
- Introducing "True Upsells" for Shopify
- Problem Solved: Creating upsell BOGO offers on Shopify
- How to use cross-sells and upsells to increase revenue on Shopify
- 9 upselling techniques to explode your average order value
- How to create simple upsells on Shopify
- Why upsells AFTER checkout on Shopify will be your highest converting click