The article provides a comprehensive guide to Real Estate Investment (REI) and its benefits for wealth building. It highlights REI Network, a lightweight, fee-free public blockchain compatible with Ethereum's EVM, addressing scalability, high transaction costs, and complexity issues in blockchain infrastructure. The report covers REI's origin, development, technical architecture, market performance, and potential future prospects. Aimed at developers, investors, and enterprises, the article discusses REI's lightweight design, fee-free model, and scaling ambitions. Key challenges, market analysis, and investment considerations are thoroughly explored to assist potential participants in assessing the project's viability.