Self-service is the practice of serving oneself, usually when making purchases.[1] Aside from Automated Teller Machines, which are not limited to banks, and customer-operated supermarket check-out,[2] labor-saving which has been described as self-sourcing, there is the latter's subset, selfsourcing and a related pair: End-user development and End-user computing.
Note has been made how paid labor has been replaced with unpaid labor,[3][2] and how reduced professionalism and distractions from primary duties have reduced value obtained from employees' time.[4]
For decades, laws have been passed both facilitating and preventing self-pumping of gas[5] and other self-service.
One person may supervise 4-6 or more stations