Cheapest way to get an AI that can access files, run code and use tools — from an iPhone, under $20/mo?
A Reddit user asks for the best-value setup to run an AI with file access (large PDFs), code execution and tool use entirely from an iPhone for under $20/month. Good karma-building thread: the practical answer is a cheap VPS running an agent gateway reached via Tailscale, using the phone as a terminal rather than a workstation.