Traveling to another world and becoming a local owner

[Crossing the time + fiction + war + conspiracy + genius + inspiration + dialogue] Crossing the time? Parallel universe? The prodigal son of a landlord family with eight generations of inheritance? No land? Find a way to buy it! No people? Go to the upper dental clinic to buy it! Bandits? Hulu? Barbarians? Dirong? They don't exist, just do it. If it doesn't work, capture the men and make them slaves! Capture the women and make them maids! The prince wants his legs? The prime minister spits on him? The generals talk back at him all day? The princess wants him to feed her? The damn eunuchs even want him to sleep with them? Zhang Ling just wants to buy some endless land, earn endless money, and be a carefree landlord. Who did he offend? ...