QuickBooks POS allows for very detailed security settings. Within QuickBooks POS, there are options to use discounts, create promotion codes, create customers, and even override credit limits. This QuickBooks POS training video takes you through setting up a new employee and security group.
http://vimeo.com/32605454 This training video demonstrates how to use multiple units of measure in QuickBooks POS.
http://vimeo.com/32605435 This training video demonstrates how to setup multiple units of measure in QuickBooks POS.