Strategically pitch items, assortments, trucks, and thank you pages to upsell and cross-sell to clients. Replace things in the truck with one-time or membership upsells. Product packs and cross-sell items: Upsell item packages and cross-sell items. Requests should contain unique SKUs. Use our Setup tool to select the upsell area for a programmed markdown at checkout. As an alternative, you can duplicate and glue the manual piece into any document related to the item, such as a description, a post, or a topic.