Non-Fiction LLM Fine-Tuning

I have a sizeable collection of text data drawn from my personal authorship of technical, scientific, philosophical, and legal works, and I want a large language model fine-tuned on this corpus so it can generate accurate, well-structured non-fiction content on demand in my authorial voice... (Budget: $750 - $1500 USD, Jobs: Education & Tutoring, Mathematics, Research, Research Writing)