How do I use multiple discount codes?

A promotion code cannot be combined with an additional discount code as across all e-commerce based sites. If you have more than one discount code, you simply need to select one that you wish to apply at the check-out page.
If for example, you are creating your own bundle, it automatically applies bundle discount. In case you have another discount code, once you apply it at the check-out page, it, unfortunately, will cancel our automatic bundle discount.