2. Origin: The Biography of Southern History and Three Towns written by li yanshou in the Tang Dynasty: Song Jiya went to Nankang County, and the city house lived on the edge of the three towns. The real monk asked the house price. Say, "Eleven million." Blame it for being expensive. Gia said, "One million buys a house, and ten million buys a neighbor." After Ji Ya, a Song Dynasty man in the Southern Dynasties, was demoted as the chief of Nankang (now Ganxian County, Jiangxi Province), he bought the house of Lu Sengkou, then the general of the auxiliary country. When Lu Sanzhen asked about the house price, Gia replied, "Eleven million." Lu thought it was too expensive, and Ji said, "I bought a house with1000000, but I bought a neighbor with1000000!" "This is the origin of the allusion of" buying neighbors by thousands ".