TL;Dev is where I personally curate and summarize case studies—from wins to failures—plus sharp ideas and strategies from YouTube, Reddit, Facebook, and X, all distilled into short, easy-to-read notes so devs and indie builders can grasp the core quickly.https://tldev.coen-USFri, 05 Sep 2025 00:00:00 GMT60TL;Dev (linhhv.work@gmail.com)TL;Dev (linhhv.work@gmail.com)https://tldev.co/ogImage.pnghttps://tldev.co/https://tldev.co/blog/pieter-levels-indie-hacking-new-normalhttps://tldev.co/blog/pieter-levels-indie-hacking-new-normalConcise, actionable takeaways from Pieter Levels’ interview on The Bootstrapped Founder: why indie hacking changed, how AI reshapes moats and margins, and what indie devs should do next.Fri, 05 Sep 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/from-laid-off-to-viral-success-the-bin-soo-app-storyhttps://tldev.co/blog/from-laid-off-to-viral-success-the-bin-soo-app-storyThe inspiring story of Ha Gia Bao's photo editing app, BinSoo. Learn how he used craftsmanship, cultural connection, and community support as a $0 marketing strategy after being laid off.Wed, 27 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/the-craftsman-code-how-henrik-builds-mac-os-apps-like-alcovehttps://tldev.co/blog/the-craftsman-code-how-henrik-builds-mac-os-apps-like-alcoveA deep dive into the philosophy of indie Mac developer Henrik, creator of Alcove and Klack. Learn his 'split strategy' for scope management, his obsession with detail, and his 'code-first' approach.Wed, 27 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/how-a-stupidly-simple-app-makes-25k-month-the-stage-timer-io-storyhttps://tldev.co/blog/how-a-stupidly-simple-app-makes-25k-month-the-stage-timer-io-storyThe story of how Lukas Hermann turned a simple countdown timer, StageTimer.io, into a $25k/month SaaS. Learn his strategy for idea generation, Reddit validation, and niche growth.Tue, 26 Aug 2025 14:00:00 GMTMax/Wanghttps://tldev.co/blog/failed-saa-s-story-4-sales-236-and-3-hard-earned-lessonshttps://tldev.co/blog/failed-saa-s-story-4-sales-236-and-3-hard-earned-lessonsA breakdown of Tom Gregory's failed SaaS launch. Learn why his seemingly solid plan failed and the key lessons about validation, waitlists, and pre-sales.Tue, 26 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/how-to-hit-17-k-mrr-with-reddit-and-zero-audiencehttps://tldev.co/blog/how-to-hit-17-k-mrr-with-reddit-and-zero-audienceA breakdown of Diego Roshardt's Reddit Marketing Playbook, the strategy he used to grow his SaaS to $17k MRR in 4 months with less than 100 followers on X.Tue, 26 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/why-this-productivity-app-failed-a-6-month-startup-post-mortemhttps://tldev.co/blog/why-this-productivity-app-failed-a-6-month-startup-post-mortemA post-mortem of a failed productivity app from the creator of Internet Made Coder. Learn why a 'nice-to-have' product, polite feedback, and feature creep led to 6 months of work for $0.Tue, 26 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/how-a-yale-student-raised-3-1-m-in-2-weeks-for-an-ai-social-apphttps://tldev.co/blog/how-a-yale-student-raised-3-1-m-in-2-weeks-for-an-ai-social-appThe story of Nathaneo Johnson's AI social app, Series. Learn how he used storytelling to raise $3.1M, 'controlled controversy' for marketing, and a 'next iteration' mindset to build.Mon, 25 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/replit-from-10-m-to-100-m-arr-in-9-months-via-an-agent-pivothttps://tldev.co/blog/replit-from-10-m-to-100-m-arr-in-9-months-via-an-agent-pivotHow Replit’s all-in bet on agents, transactional infrastructure, and built-in guardrails turned a downturn into breakout growth.Mon, 25 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/why-tech-with-tim-startup-failed-a-2-year-case-studyhttps://tldev.co/blog/why-tech-with-tim-startup-failed-a-2-year-case-studyA post-mortem from YouTuber Tech With Tim on his failed startup. Learn 5 critical lessons about validation, MVPs, ego, and why you need to fail faster.Mon, 25 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/the-secret-to-startup-success-build-a-product-people-can%E2%80%99t-stop-talking-abouthttps://tldev.co/blog/the-secret-to-startup-success-build-a-product-people-can%E2%80%99t-stop-talking-aboutBelow are the key notes summarized from the talk “How to Succeed with a Startup” by Sam Altman, former President of Y Combinator. These are core lessons drawn from the experience of working with thousands of the world’s top startups.Sun, 24 Aug 2025 00:00:00 GMTMax/Wanghttps://tldev.co/blog/how-to-get-your-first-customers-a-yc-guidehttps://tldev.co/blog/how-to-get-your-first-customers-a-yc-guideA practical guide from Y Combinator on acquiring your first customers. Learn the 'Do Things That Don't Scale' mindset, why founders must sell, and the #1 mistake to avoid.Fri, 22 Aug 2025 00:00:00 GMTMax/Wang