Retail POS systems are of great value to any retail business, no matter what goods and services it provides. In past decades when cash registers were extensively used, only simple payments could be processed and managed. But with the invention of retail POS software, businesses gained the ability to not only manage transactions, but also track customer information, sales, and inventory. This allowed for significant increases in efficiency. Moreover, this information allowed businesses to determine what’s lacking in the business and what can be done to increase sales, resulting in the potential for huge profit gains.