Articles on AI, entrepreneurship, productivity & lifehttps://yu-wenhao.com/enhttps://yu-wenhao.com/en/blog/non-us-resident-llc-guide/https://yu-wenhao.com/en/blog/non-us-resident-llc-guide/If you live in a country Stripe doesn't support, opening a US LLC is the most practical fix. This is the 2-year real-world guide — not romance, just plumbing. Cost breakdown, tax structure, and the 5-step setup that takes ~2 weeks.Sat, 25 Apr 2026 00:00:00 GMTbuilding-productsvibe-codingus-llcwyomingstripeclaude-codesolo-operatorhttps://yu-wenhao.com/en/blog/karpathy-zettelkasten-comparison/https://yu-wenhao.com/en/blog/karpathy-zettelkasten-comparison/Karpathy's LLM Wiki pattern went viral in the AI community. As an Obsidian + LYT user, I ran his method on his own method — and found the real divide is about classification: folders, tags, wiki pages, same container problem in different skin.Fri, 10 Apr 2026 00:00:00 GMTbuilding-productskarpathyllmobsidianknowledge managementzettelkastenlytai workflowpersonal knowledge basehttps://yu-wenhao.com/en/blog/enterprise-ai-adoption-bottleneck/https://yu-wenhao.com/en/blog/enterprise-ai-adoption-bottleneck/The real bottleneck in enterprise AI workflow adoption isn't tools or budget — it's that most business processes have never been documented. A real case study, why traditional SOPs don't work, and the three questions managers can ask today.Mon, 30 Mar 2026 00:00:00 GMTbuilding-productsAIenterprise AIdigital transformationprocess automationAI adoptionhttps://yu-wenhao.com/en/blog/multi-agent-hidden-cost/https://yu-wenhao.com/en/blog/multi-agent-hidden-cost/6 AI agents, OKRs, approval workflows, budget controls. Everything in place. Day one, I realized: management overhead outweighed the output. A lesson from 10 years as a PM.Sat, 28 Mar 2026 00:00:00 GMTbuilding-productsAI agentmulti agentPaperclip AIagentic codingAI automationhttps://yu-wenhao.com/en/blog/enterprise-ai-data-security/https://yu-wenhao.com/en/blog/enterprise-ai-data-security/Companies want AI but worry about data leaks. This guide breaks down 3 deployment options — subscription (Claude Pro/ChatGPT), managed cloud (AWS Bedrock/Azure OpenAI), and self-hosted open-source models — comparing cost, data flow, and usability with cited sources.Wed, 18 Mar 2026 00:00:00 GMTbuilding-productsAIenterprise AILLM deploymentClaude APIAWS BedrockAzure OpenAIdata securitylocal LLMprivate LLMself-host LLMhttps://yu-wenhao.com/en/blog/ai-harness/https://yu-wenhao.com/en/blog/ai-harness/Same AI model, different system wrapped around it — ranking jumps from outside Top 30 to Top 5. The most important consensus in AI for 2026 isn't which model is best. It's the agent harness — the system that turns raw intelligence into reliable output. Here's what it is and why it matters more than the model.Mon, 16 Mar 2026 00:00:00 GMTbuilding-productsAIagent harnessharness engineeringagentic harnessagentic codingClaude CodeAI Agenthttps://yu-wenhao.com/en/blog/ai-meeting-notes/https://yu-wenhao.com/en/blog/ai-meeting-notes/Built an AI meeting notes tool in 4 hours: speech-to-text with Qwen3-ASR, auto-generated transcripts and summaries, plus a real-time tactical advisor. Total cost: $0.32 per hour of meeting.Mon, 09 Mar 2026 00:00:00 GMTbuilding-productsAImeetingagentic codingClaude Codebuilding-in-publichttps://yu-wenhao.com/en/blog/claude-skills-guide/https://yu-wenhao.com/en/blog/claude-skills-guide/A practical Claude Skills guide with real examples. Learn how skills work, the three-layer loading architecture, trigger mechanics, design patterns, and Anthropic's official writing philosophy. Includes hands-on experience and getting started tips.Sat, 07 Mar 2026 00:00:00 GMTbuilding-productsAIClaude Codeagentic codingClaude Skillsdeveloper-toolshttps://yu-wenhao.com/en/blog/claude-code-tutorial/https://yu-wenhao.com/en/blog/claude-code-tutorial/Learn how to use Claude Code in 5 minutes. A beginner-friendly guide to setup, installation, and completing your first task. Let AI do the work—not just talk about it.Wed, 04 Mar 2026 00:00:00 GMTbuilding-productshow to use claude codeclaude code tutorialclaude code setuphttps://yu-wenhao.com/en/blog/lyt-framework-guide/https://yu-wenhao.com/en/blog/lyt-framework-guide/LYT (Linking Your Thinking) is the most popular PKM framework for Obsidian. After years with PARA and Zettelkasten, here's why I switched to LYT — and why it's the best note-taking method for the AI era.Tue, 03 Mar 2026 00:00:00 GMTproductivityObsidianLYTPKMpersonal knowledge managementnote taking methodsknowledge managementhttps://yu-wenhao.com/en/blog/fix-your-tools/https://yu-wenhao.com/en/blog/fix-your-tools/Most people work around broken tools instead of fixing them. The cost is 30+ minutes a day doing things you shouldn't have to. I built an AI workflow with Claude Code, MCP, and Obsidian — here's what I learned from three tool-fixing decisions.Mon, 23 Feb 2026 00:00:00 GMTproductivityClaude CodeAI workflowObsidianproductivityknowledge managementhttps://yu-wenhao.com/en/blog/agentic-coding-guide/https://yu-wenhao.com/en/blog/agentic-coding-guide/A practical agentic coding guide: 5-tool comparison, product maturity framework, real workflows, and a step-by-step path from vibe coding to production.Sat, 14 Feb 2026 00:00:00 GMTbuilding-productsAIsolo founderClaude Codeagentic codingvibe codingdeveloper-toolshttps://yu-wenhao.com/en/blog/agentic-coding/https://yu-wenhao.com/en/blog/agentic-coding/What is agentic coding? How is it different from vibe coding? In one year, AI coding evolved from 'go with the vibes' to 'lead an AI engineering team.' A PM's firsthand perspective.Fri, 13 Feb 2026 00:00:00 GMTbuilding-productsAIsolo founderClaude Codeagentic codingagentic engineeringvibe codingdeveloper-toolshttps://yu-wenhao.com/en/blog/neatoolkit-launch/https://yu-wenhao.com/en/blog/neatoolkit-launch/Tired of ads and watermarks? I built NeatToolkit — free online tools, no signup required, just open and use.Thu, 12 Feb 2026 00:00:00 GMTbuilding-productssolopreneurSide Projectfree toolsneatoolkithttps://yu-wenhao.com/en/blog/openclaw-tools-skills-tutorial/https://yu-wenhao.com/en/blog/openclaw-tools-skills-tutorial/Finished installing OpenClaw but unsure what to enable? This research-backed guide breaks down all 26 Tools and 53 official Skills — what they do, the risks, and how to configure them. Includes my full config you can copy.Thu, 05 Feb 2026 00:00:00 GMTbuilding-productsAIindie hackerOpenClawself-hosted AIdeveloper toolshttps://yu-wenhao.com/en/blog/2026-02-04-is-openclaw-safe-security-guide/https://yu-wenhao.com/en/blog/2026-02-04-is-openclaw-safe-security-guide/Updated March 2026. Is OpenClaw safe? One-click exploit (patched), 824+ malicious Skills, VirusTotal scanning live. Learn the 2 threat sources and 5 must-do security settings to protect yourself.Wed, 04 Feb 2026 00:00:00 GMTbuilding-productsAIindie hackercybersecurityOpenClawself-hosted AIhttps://yu-wenhao.com/en/blog/2026-02-01-openclaw-deploy-cost-guide/https://yu-wenhao.com/en/blog/2026-02-01-openclaw-deploy-cost-guide/Updated March 2026. Complete OpenClaw hosting cost breakdown: VM options, LLM API pricing (GPT-OSS-120B, GPT-5.4, Gemini 3), real agent token usage, and heartbeat hidden costs. Find the right setup for your budget.Sun, 01 Feb 2026 00:00:00 GMTbuilding-productsAIindie hackerdeveloper toolsOpenClawself-hosted AIhttps://yu-wenhao.com/en/blog/roam-research-to-obsidian/https://yu-wenhao.com/en/blog/roam-research-to-obsidian/I paid $500 for Roam Research and even invested in the company. 5 years later, AI made me switch to Obsidian. Here's why note format matters more than the tool.Tue, 27 Jan 2026 00:00:00 GMTproductivityRoam ResearchObsidiannote-takingpersonal knowledge managementAIhttps://yu-wenhao.com/en/blog/ai-coding-arbitrage/https://yu-wenhao.com/en/blog/ai-coding-arbitrage/AI made coding cheap. Skills that took years to learn now take days. But this window won't stay open forever—when everyone can build with AI, the arbitrage ends. Start building digital assets now.Fri, 23 Jan 2026 00:00:00 GMTlife-learningAI CodingSolo FounderDigital AssetsPersonal GrowthLong-term Thinkinghttps://yu-wenhao.com/en/blog/12-week-year-guide/https://yu-wenhao.com/en/blog/12-week-year-guide/Why do annual goals fail? Not willpower—the time unit. Learn Lead vs Lag indicators, Weekly Execution Score, and WAM to get 4 fresh starts per year.Sat, 17 Jan 2026 00:00:00 GMTproductivitypersonal growthgoal settingtime management12 Week Yearproductivityhttps://yu-wenhao.com/en/blog/ai-second-brain/https://yu-wenhao.com/en/blog/ai-second-brain/New Year goals fail every year, emails pile up, meetings blur together — the problem isn't willpower, it's not being able to see yourself. Here's how I built an AI second brain using Claude Code and Obsidian: goal tracking, automated email, AI meeting notes, daily briefs, and a knowledge base that actually remembers.Wed, 14 Jan 2026 00:00:00 GMTproductivityAI second brainClaude CodeObsidiangoal managementAI automationAI notessecond brainproductivity systembuilding-in-publichttps://yu-wenhao.com/en/blog/free-azure-startup-credits/https://yu-wenhao.com/en/blog/free-azure-startup-credits/Get $5,000 in free Azure credits through Microsoft for Startups. Step-by-step guide for indie developers: application process, business verification, and maximizing your startup credits.Fri, 09 Jan 2026 00:00:00 GMTbuilding-productsMicrosoftAzureStartupIndie DeveloperFree ResourcesOpenAIhttps://yu-wenhao.com/en/blog/nocode-to-ai-coding/https://yu-wenhao.com/en/blog/nocode-to-ai-coding/After 14 years away from engineering, I spent 6 months learning Bubble—only to discover No-Code's fatal flaw: every tool is a walled garden. Then Claude Code appeared. Within 6 months, I shipped a complete SaaS: backend API, web app, Chrome extension. The difference? No-Code teaches you tools. AI coding teaches you communication. That skill doesn't reset.Tue, 06 Jan 2026 00:00:00 GMTbuilding-productshttps://yu-wenhao.com/en/blog/minerva-mda-growth/https://yu-wenhao.com/en/blog/minerva-mda-growth/A 21-month journey of transformation. From feeling stuck in my comfort zone to building the ability to create new possibilities.Fri, 16 May 2025 00:00:00 GMTlife-learningMinervaMDALearningGrowthhttps://yu-wenhao.com/en/blog/coursera-learning-platform-complete-guide-2025/https://yu-wenhao.com/en/blog/coursera-learning-platform-complete-guide-2025/Founded in 2012 by Andrew Ng and Daphne Koller, Coursera partners with 350+ top universities and companies, offering everything from individual courses to full degrees. Popular fields include data analytics, programming, and AI. Coursera isn't just a learning platform—it's an effective tool for bridging skill gaps and boosting your competitiveness.Thu, 20 Feb 2025 00:00:00 GMTproductivityCourseraOnline LearningCareer DevelopmentProfessional CertificatesSkill TrainingCareer Changehttps://yu-wenhao.com/en/blog/coursera-trigger-my-career/https://yu-wenhao.com/en/blog/coursera-trigger-my-career/The catalyst for change often lies in a simple decision to begin. How one small learning choice completely transformed my career trajectory in three years.Tue, 18 Feb 2025 00:00:00 GMTlife-learningCourseraData AnalysisCareer ChangePersonal GrowthPython