Stackable Promotions at Checkout: Why They Confuse Customers and How to Fix It

https://padlet.com/melissamayer31muaji/bookmarks-ypej60mkcmjuof0i/wish/R7dXad9pOlX9Q6bl

Promotion stacking - allowing multiple discounts, coupons, or incentives to apply to a single order - sounds like a straightforward way to drive conversions