It depends on the type of discount already applied to your order.
Promo codes can be used alongside the following:
Product-level discounts: if a specific product already has a discount applied, you can still add a promo code for an additional percentage off.
Bulk discounts: if bulk pricing applies to your order based on quantity, a promo code can be applied on top of that for an additional percentage off.
Promo codes cannot be combined with:
First order discount: if the first order discount is applied to your checkout, a promo code cannot be added.
Dropshipping discount plan: promo codes do not apply to dropshipping orders. Promo codes can only be entered at checkout for manual orders placed directly on Selfnamed.
If a non-compatible discount is already active on your checkout, the promo code field will not accept the code for that order.