# Rent or Buy Map > Free rent vs. buy calculator for the U.S.: enter a zip code and run a 30-year Monte Carlo simulation using live FRED mortgage rates and Census ACS local data. No signup; runs in the browser. https://rentorbuymap.com Rent or Buy Map is a single-page financial education tool operated by AXIA Enterprises. It compares the 30-year wealth outcomes of buying a home versus renting and investing the difference, simulated across thousands of randomized scenarios per run. Outputs are educational, not financial advice. ## Pages - [Rent vs. Buy Calculator](https://rentorbuymap.com/): The main app — zip-code lookup, interactive map, Monte Carlo simulation with adjustable parameters (closing costs, appreciation, insurance, investment return). - [LLM Info](https://rentorbuymap.com/llm-info/): Machine-readable site description, methodology, and instructions for AI assistants. ## Data sources - FRED series MORTGAGE30US (live 30-year fixed mortgage rate) - U.S. Census Bureau ACS 5-year estimates (zip-level home prices and rents, state-level fallback)