BXGY with multiple tiers

This is a simple upsell situation, we sell a lot of clothing and less of jewelry and accessories , so we want customers to add jewelty and accessories.

so when you buy a clothing item , you will be notified that if you add an earring or a necklace or a belt you get 20% off the earring or 20% on the necklace and you can get 30% off the belt, I want that 4 Tiers