# Insights Source: https://sarang.pro/insights/ InsightsFrameworks, case studies, guides and useful tools for business, marketing and finance. Written plainly, with sources. Search articlesSearch[**Engineering**3 articles](https://sarang.pro/category/engineering/)[**AI**3 articles](https://sarang.pro/category/ai/)[**Finance**2 articles](https://sarang.pro/category/finance/)[**Product**2 articles](https://sarang.pro/category/product/)[**Strategy**2 articles](https://sarang.pro/category/strategy/)[**Leadership**2 articles](https://sarang.pro/category/leadership/)[**Design and UX**2 articles](https://sarang.pro/category/design-and-ux/)[**Marketing**1 article](https://sarang.pro/category/marketing/)Browse - All17 - Engineering3 - AI3 - Finance2 - Product2 - Strategy2 - Leadership2 - Design and UX2 - Marketing1 Also here - [Infographics](https://sarang.pro/infographics/) - [Play and learn](https://sarang.pro/play/) - [Services](https://sarang.pro/services/) [](https://sarang.pro/your-voice-not-the-machines/)Marketing2 min readOct 2026 ### [Your voice, not the machine’s: using AI for content without losing yourself](https://sarang.pro/your-voice-not-the-machines/) How to use AI for writing, video and social content while keeping it recognisably yours: teach it your voice, strip out generic phrasing and stay the final editor. [](https://sarang.pro/ui-details-that-look-considered/)Design and UX2 min readOct 2026 ### [UI details that make a product look considered: spacing, type, colour and motion](https://sarang.pro/ui-details-that-look-considered/) Small, repeatable rules for interfaces that feel calm and trustworthy: a spacing scale, a type system, a restrained… [](https://sarang.pro/open-source-before-you-subscribe/)Strategy2 min readOct 2026 ### [Open-source tools worth knowing before you pay for software](https://sarang.pro/open-source-before-you-subscribe/) Many paid tools have a free, open-source counterpart. How to find them, judge them and decide when paying… [](https://sarang.pro/getting-more-from-ai-coding-tools/)AI2 min readOct 2026 ### [Spend less, ship cleaner: getting more from AI coding tools](https://sarang.pro/getting-more-from-ai-coding-tools/) Why AI coding sessions burn through tokens, and the habits, connectors and plugins that keep context lean and… [](https://sarang.pro/launch-checks-ai-built-websites/)Product3 min readOct 2026 ### [Before you launch an AI-built website: the checks people skip](https://sarang.pro/launch-checks-ai-built-websites/) AI tools can build a site in an afternoon. These are the SEO, speed, testing and content checks… [](https://sarang.pro/engineering-words-reliable-apps/)Engineering3 min readOct 2026 ### [The engineering words behind reliable apps, and which ones matter at your size](https://sarang.pro/engineering-words-reliable-apps/) Rate limits, retries, idempotency, queues and the rest: a plain glossary sorted into what to handle now, what to plan for, and what to skip for a while. [](https://sarang.pro/ai-models-data-models-and-sql/)AI2 min readOct 2026 ### [AI models, data models and the 20% of SQL you will use every day](https://sarang.pro/ai-models-data-models-and-sql/) A plain map of AI model types, the main ways to structure data, the SQL that covers most… [](https://sarang.pro/working-with-ai-agents-specs-constraints-checks/)AI3 min readOct 2026 ### [Working with AI agents: specs, constraints and checks](https://sarang.pro/working-with-ai-agents-specs-constraints-checks/) How to get dependable work from AI coding and design agents: write the spec first, limit the options,… [](https://sarang.pro/security-checklist-for-apps-built-fast/)Engineering3 min readOct 2026 ### [A security and compliance checklist for apps built fast](https://sarang.pro/security-checklist-for-apps-built-fast/) AI tools make it easy to ship in a weekend. These are the holes to close, and the… [](https://sarang.pro/ship-without-downtime/)Engineering2 min readOct 2026 ### [Ship without downtime: three patterns every product team should know](https://sarang.pro/ship-without-downtime/) Blue-green deployments, background workers and the transactional outbox, explained without jargon for founders and product people. [](https://sarang.pro/ux-details-that-build-trust/)Design and UX3 min readOct 2026 ### [The moments after a click: small UX details that build trust](https://sarang.pro/ux-details-that-build-trust/) Feedback states, honest buttons, mobile checks and six named UX laws: the details that decide whether a product feels reliable. [](https://sarang.pro/persuasion-presence-personal-brand/)Leadership2 min readOct 2026 ### [Persuasion, presence and personal brand: the skills that compound](https://sarang.pro/persuasion-presence-personal-brand/) How to communicate like a leader, persuade without pushing, and build a reputation before you need one. [](https://sarang.pro/decide-faster-four-decision-tools/)Leadership2 min readOct 2026 ### [Decide faster and better: four decision tools and a calendar that protects them](https://sarang.pro/decide-faster-four-decision-tools/) The 10/10/10 rule, the Franklin list, six thinking hats and the OODA loop, plus the time habits that… [](https://sarang.pro/strategy-frameworks-on-one-page/)Strategy3 min readOct 2026 ### [Strategy on one page: the frameworks worth knowing, and when to use each](https://sarang.pro/strategy-frameworks-on-one-page/) Porter’s Five Forces, SWOT, the 3Cs, TAM SAM SOM, three horizons and the 7S model, with a plain… [](https://sarang.pro/build-the-smallest-thing-that-proves-demand/)Product3 min readOct 2026 ### [Build the smallest thing that proves people want it](https://sarang.pro/build-the-smallest-thing-that-proves-demand/) A practical MVP playbook: choose one problem, test willingness to pay, ship in weeks, launch where builders look… [](https://sarang.pro/finance-terms-explained-side-by-side/)Finance3 min readOct 2026 ### [20 finance terms that confuse smart people, explained side by side](https://sarang.pro/finance-terms-explained-side-by-side/) Pairs of terms people mix up in meetings, from capex and opex to market cap and enterprise value, plus who does what at the top table. [](https://sarang.pro/read-financial-statements-15-minutes/)Finance4 min readOct 2026 ### [How to read a company’s financial statements in 15 minutes](https://sarang.pro/read-financial-statements-15-minutes/) Three statements, a dozen ratios and a few rules of thumb: a quick, repeatable way to tell a… No articles match yet. Try another topic or search. Show moreInfographics [Ask three questions of any finance term](https://sarang.pro/infographics/ask-three-questions-of-any-finance-term/)[The MVP loop](https://sarang.pro/infographics/the-mvp-loop/)[Choosing a framework](https://sarang.pro/infographics/choosing-a-framework/)[Make an idea persuasive](https://sarang.pro/infographics/make-an-idea-persuasive/)[A safe release](https://sarang.pro/infographics/a-safe-release/)[Four layers of protection](https://sarang.pro/infographics/four-layers-of-protection/)[Spec-driven building](https://sarang.pro/infographics/spec-driven-building/)[From question to answer](https://sarang.pro/infographics/from-question-to-answer/)[All infographics](https://sarang.pro/infographics/)