Yitang / Complete ROI Scientific Decision-Making System (4 Core Lessons + 5 Candy Case Collections)
Truman's 2023–2024 Yitang complete ROI scientific decision-making system. A 5-lesson series progressing from Cognition & Aesthetics (NPS 85% / 990,000 Chinese characters of assignments) → Breadth (the 4-character mnemonic of List, Deduce, Build, Check + 3 categories covering 9 types) → Depth (Type X vs Type Y + Case Parking Lot) → Altitude (long-term value / opportunity cost / time window) → Implementation Training (updated Fall 2024 with 13,000+ assignments). It is paired with 5 major Candy case collections: ROI Decision Case Collection (Liang Jing's self-built factory) + Experience Value Selected Assignment Collection (Zheng Ce's B2B sales / Wang Yiyi's Yonyou benchmarking / Guo Jinhuo's 30 years of real estate experience value) + Yitang Classmate Decision Collection (Yue Shijie's Hushuobao) + Excellent Case Collection (Gao Lijuan's beauty salon "Ten-Year Promise") + Fall 2024 Ma Benchmark Case (Chen Zhuojun's tens-of-millions investment decision on perfume pump heads).