This guy got Qwen 3.6 27b running on 2 ancient 1080ti GPUs, using turboquant:
https://www.youtube.com/watch?v=7V8G7cQBrus
I certainly wouldn't recommend going that low - it's more just an interesting experiment to push the limit of what's possible - but the fact is, you can actually run a useful LLM, with enough context to get real work accomplished, for somewhere around $500.