35 Promoting and facilitating the sale of goods and services of others in an e-commerce environment by providing third-party settlement services for e-commerce retailers of physical products, consumers, product manufacturers and installation contractors, namely, facilitating cooperation between the parties, collecting key event data which can be used to monitor performance by all parties, predicting anomalies and optimizing performance by all parties, enabling contractors to become certified by the manufacturers and retailers, facilitating the satisfactory performance of on-site installation services by contractors and providing overall standardized statements of work, policies, merchandising, pricing, and performance guarantees to all parties