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Engineering & product notes

What we learn building custom software for real clients: LLMs in production, automation, architecture decisions and stack choices. We publish 1-2 articles a month, with no filler and an engineering point of view. For longer reference guides, see Resources.

Latest articles

Discord vs Telegram VIP Which channel for creators Adult payment mistakes What breaks a Telegram VIP Telegram VIP paid group bot Architecture and launch mistakes Sell content on Telegram 2026 creator checklist Fansly Telegram alternative Also Fanvue & LoyalFans OnlyFans fees vs Telegram community What the ~20% cut really costs — and the Telegram VIP path Migrate OnlyFans fans to Telegram Practical migration steps for creators AI chatbot Barcelona cost (2026) From €1,500 · pricing on rovidev.com
Jul 10, 2026 · Automation How much does business process automation cost? Real 2026 ranges: n8n, Make, Python and AI agents for SMBs and mid-market companies. Jul 10, 2026 · Automation 10 processes every SMB should automate first A practical list of high-ROI processes to automate before anything else. Jul 10, 2026 · Automation Low-code automation vs custom Python When to use Zapier, Make or n8n — and when to jump to custom development. Jul 16, 2026 · AI RAG in practice: when to use it, when not, and how to measure quality When RAG is worth it, how it's built (chunking, embeddings, reranking) and how to measure its quality with real metrics. Jul 2, 2026 · Business How we price a project: from idea to a fixed quote The questions we ask, what drives cost, how we scope the work and why we don't quote off the cuff. Jun 18, 2026 · Engineering The stack we use in 2026 (and why) Next.js, Postgres, FastAPI, Stripe and a simple PaaS: the studio's default choices and when we step away from them. Jun 9, 2026 · AI LLMs in production: what we learned shipping them Real costs, latency, versioned prompts, evaluation and the mistakes we keep seeing when teams put LLMs into a product.

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