The cost of roller mills can vary widely depending on various factors such as the size, capacity, brand, and additional features. Generally, a small, economical roller mill for home use might cost between $200 to $500. However, industrial-grade roller mills used for large-scale production can range from $10,000 to over $100,000. For an accurate quote, it's best to contact manufacturers or suppliers directly, providing them with your specific requirements and production needs.