Duplicating variants or juggling coupon codes to run quantity discounts is time-consuming and error-prone. BulkPerk lets you set tiered quantity breaks and group variants toward one discount from a single dashboard. Built on Shopify Functions with no theme edits. Apply discounts while creating admin draft orders in Shopify, show a live savings table on product pages, and track order value, units per order, and discounts redeemed—all in one place.