Fine-Tuning a Local LLM to Write in My Voice: QLoRA on an RTX 3060 with Unsloth

I use big LLMs to draft blog posts and LinkedIn posts. They help with research and structure, but I still spend time rewriting them to sound like me. Every draft comes out with the same polished, slightly corporate voice, and even after I edit it by hand, something of that voice stays in the text. There is actually research confirming this: a 2026 study on post-editing found that even when humans edit LLM drafts, the result stays measurably closer to LLM style than to the author’s own writing.

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