Developer Builds Always-On AI Workflow Using Mac Mini and Two Other Home Machines

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A software developer has set up a multi-agent AI system running 24/7 on a home network of three machines — a Mac Mini M4, a Windows PC, and an Ubuntu laptop — costing under $3,500 in hardware. The Mac Mini serves as the central orchestrator, routing tasks to specialized AI agents that handle daily summaries, code review, documentation drafts, and home camera alerts. Tasks requiring heavy computation, such as running large language models or image generation, are offloaded to the Windows PC with an RTX 3060 GPU. The developer reports that article writing time has dropped from two to three hours to just 10–15 minutes of editing, with automated code reviews catching roughly 80% of common issues. Total electricity costs for running the system are estimated at around $11 per month, with no cloud or GPU rental fees involved.

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