Train Your Own GPT: How To Train ChatGPT To Think Like You
Sep 2025 · Holy Macro! Books
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120
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About this ebook
Build GPTs that actually do what you say — without learning Python, prompt voodoo, or AI jargon. You've chatted with GPT. Maybe it wrote a dad joke or helped with a spreadsheet formula. But did you know you can train your own GPT — one that knows your data, mimics your voice, and handles real work like a virtual assistant? In this hands-on, no-fluff guide, Bill Jelen — aka MrExcel — walks you through how he built dozens of Custom GPTs to write book chapters, clean up transcripts, summarize Excel files, and save hours of grunt work. If you're ready to go beyond asking questions and start building AI that works for you, this book delivers.
Build GPTs that actually do what you say — without learning Python, prompt voodoo, or AI jargon. You've chatted with GPT. Maybe it wrote a dad joke or helped with a spreadsheet formula. But did you know you can train your own GPT — one that knows your data, mimics your voice, and handles real wor...
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About the author
Bill Jelen is the host of www.MrExcel.com, a Microsoft MVP, and the author of 70 books about Excel. He lives in Merritt Island, Florida. Bill Jelen is the host of www.MrExcel.com, a Microsoft MVP, and the author of 70 books about Excel. He lives in Merritt Island, Florida.
Bill Jelen is the host of www.MrExcel.com, a Microsoft MVP, and the author of 70 books about Excel. He lives in Merritt Island, Florida. Bill Jelen is the host of www.MrExcel.com, a Microsoft MVP, and the author of 70 books about Excel. He lives in Merritt Island, Florida.
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