Work Smarter, Not Harder! The Service That Sells! Workbook for Foodservice. The Service That Sells! philosophy is distilled into Work Smarter, Not Harder! strategies your employees can use to improve performance and productivity. Four manageable sections -- Product Knowledge, Caring Behavior, Precision Service and Sales Performance -- make the service and sales training easier and more cost-effective for you to deliver. Performance-based exercises make employees think, placing them in real-world situations in which they have to identify the proper behaviors to succeed.