The document discusses the challenges of cross-border eCommerce from both a retailer and customer perspective. Retailers are hesitant to sell globally due to risks around regulations, duties, and complexities in different countries. Customers find the cross-border shopping experience difficult and costly when sites do not account for these issues. The document then introduces Aeropost as a solution that aims to simplify cross-border sales by taking on risks and addressing pain points like payments, duties, language barriers, and logistics to build trust for both retailers and international customers.