Setting up tiered pricing with the Bulk Discounts Shopify app is straightforward. After installing the app, navigate to your Shopify admin dashboard and select the product for which you want to offer bulk discounts. Within the app interface, you'll find an option to create a new discount. Choose the tiered pricing option, specify the quantity ranges, and set the corresponding discounted prices. Once saved, the bulk discounts will be automatically applied to eligible purchases on your online store.