Providing applications and online access for transaction processing, accounting, receipt printing, customer relationship management, inventory management and operations management, all in the field of point-of-sale transactions and retail management, providing software applications for use in customer relationship management, research tool services in the field of product research for online retail sellers, providing features for retail sellers to collect, analyze, and monitor data points, calculate profits, review sales history, review sales rank, review sales analytics, review product variations, analyze customer and user reviews; software as a service (SAAS) services featuring software for tracking income, expenses, sales, and profitability user set fields; Providing computer software applications for customer service and support used to aggregate or transmit customer comments or questions about products to individuals or businesses; providing computer software for sales analysis that calculates changes in revenues, profits or user behavior following marketing or advertising campaigns; providing online and software application analytics to users to assist in making informed purchasing or sales decisions by providing quick access to product or inventory restrictions, variations, category, rank, and fee or cost details