Wei Lier, bankrupt and in debt by 4.7 million, staged a comeback against the trend relying on a reverse calculation method. While others chased rising prices, he bought the dip; while others profited, he shared profits, exclusively taking on loss-making businesses that capital looked down upon and ordinary people dared not touch. Starting with 3,000 abandoned smart bicycle locks, he lost first then earned, crashed first then made a comeback, crushing peers with dimensional reduction of intelligence. All the way to a residual value exchange, he completely flipped the pricing power in the junk pile. When everyone chased trends, he priced in the junk pile—making losses was his fiercest weapon to smash through industry rules.