Do these work with GPT-3.5 or only GPT-4?

All prompts work with both GPT-3.5 and GPT-4/GPT-4o. GPT-4 produces significantly better results for complex prompts.

Can I use these for client work?

Yes! The commercial license allows you to use these for client projects, agency work, and internal business use.

What format are they delivered in?

You get a PDF guide with all prompts organized by category, plus a plain text file for easy copy-paste. Future updates are delivered automatically.

Do you offer refunds?

Yes — 100% refund policy with zero questions asked. Contact us and we will process your refund immediately.

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HELOC Calculator for Homeowners: Real Payment, Payoff & Rate-Shock (Google Sheets)

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✦ Built from analyzing top-selling products · QC-tested across multiple AI models

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What You Get

📄 50 Premium ChatGPT Prompts
📚 Organized by Category (Marketing, Code, Business)
🎯 Usage Guide & Best Practices
🔄 Lifetime Free Updates

Most HELOC calculators hand you one number and hide the math. This one shows all of it: your real credit line, the cheap interest-only payment now, the bigger principal-and-interest payment later, lifetime interest, and what you'd save moving a $60,000 card balance onto the HELOC. Change any of the 9 input cells on the Inputs tab and all three result tabs recalculate on the spot, no subscription and no add-ons, just an .xlsx file you open in Excel or upload once to Google Sheets and keep.