Why are quantity discounts required on Rivly?

At Rivly we always want shoppers to know when they buy more they save more. That happens through quantity discounts we highlight for our shoppers to encourage them to purchase more from the same seller. We know that when shoppers buy more from the same seller, that seller gains more profit with more sales and simultaneously reducing their shipping cost per item as multiple items can be packaged together. We require some of this extra profit to be shared with shoppers in the form of a quantity discount. Quantity discounts are a minimum of 2% off for 2 items and 3% off for 3 or more items, but most sellers offer more tiers and discounts to provide more incentive.