Price comparing services; Price comparison services; On-line price monitoring and administrative processing of a refund request for consumer purchases of goods and services; Promoting the goods and services of others by providing price information via a mobile application or website when prices drop or are found cheaper elsewhere; Providing price comparison services in the field of credit card purchases; Providing pricing information about the goods and services of others via the global computer network; Providing an on-line computer database in the field of comparing prices of products after purchase; Tracking and monitoring purchases of goods and services for better prices for consumer information and business purposes; Providing post transaction price monitoring services to consumers, namely, monitoring prices of goods and services previously purchased to protect consumers from overpaying