The most expensive item ever to be sold on the e-commerce platform eBay is a gigayacht, a 405-feet pleasure boat which fetched a price of $168 million in 2006. A Gulfstream II Jet ($4.9 million) comes second on the list, while a private lunch with investor Warren Buffet ($3.4 million) is third. Notably, eBay was founded on September 3, 1995.