This document discusses opportunities for online retailers to reduce high cart abandonment rates due to shipping costs. It notes that $4 trillion worth of merchandise is abandoned in online shopping carts each year. Data shows that 58% of online retailers cite high shipping costs as the main reason for cart abandonment, and 34% say shoppers abandon carts if shipping costs are shown too late. 44% abandon if they don't qualify for free shipping. The document then promotes ShipHawk as a solution to provide instant shipping quotes, optimize packing and costs, and automate shipping to save time. Customers and merchants praise ShipHawk for improving the shipping experience.