We are seeking a detailed proposal for creating a high-performance auction-based e-commerce website. This may involve using platforms like Prestashop, OpenCart, WordPress, or specialized solutions such as https://www.phpprobid.com. Your proposal should cover: - The recommended solution and its advantages - Fixed development cost and estimated project timeline - Estimated monthly maintenance costs. - Potential constraints, such as limits on auction volume or number of bidders. We look forward to your expert recommendations.