Software as a service (SAAS) services featuring software for Flash sales to maximize revenue from unutilized capacity, such as empty seats on slow days in restaurants, and generate revenue from unsold inventory such as wine or food.; Software as a service (SAAS) services featuring software using artificial intelligence (AI) for Using historical data of flash sales to maximize revenue to automate flash sales by using predictive analysis and dynamic pricing to send flash sale to selected customers based on an algorithm to select customers most likely to buy.