Business & Entrepreneurship ／ Cross-source synthesis
ROI / Decision Evaluation System (Cross-Author Topic Synthesis)
Integration of ROI decision systems from 3 perspectives. yitang Truman's complete ROI system (5-lesson series covering cognition/breadth/depth/height/implementation training + the 4-character mnemonic "list, deduce, build, check" + X-type vs Y-type + ROI triangle + 13,000+ student assignments) / Wang Kai's RSI AI decision-making (viewing from the AGI perspective + using AI as a measuring stick + 5 core mindsets + absolute rational thinking as default) / Wang Kai's investment strategy (three layers of good asset + good price + good volatility + 6,000-word intrinsic value Prompt). Covers broad ROI vs narrow ROI, 3 major inertia traps in decision-making, AI interrogating decision-makers, and the mindset that ROI is a measuring stick