Note: this is a post regarding the new Promotion System, introduced in Commerce 9.24. I highly recommend using it, if you are not already. Selling gift cards in an ecommerce shop is a very common thing shop owners want to do, albeit it’s more the...

UPDATE:  If you have > Commerce 10.1 there is a feature for this that solves the issue much more gracefully! I haven't evaluated it yet, but will do and update this blog post!  http://world.episerver.com/documentation/developer-guides/commerce/mar...