Rule 19: Hashtags to avoid on Twitter: #customersihate, #fakeituntilyoumakeit, #leaveyouryappydogathome and #plasteredinvegas
Rule 301: The client is always right ... unless he is a litigant.
Rule 952: Every drink you give a customer increases the likelihood of a sale by 10 percent. But it also increases the likelihood of a return by 15 percent.
This article originally appeared in the July-August 2017 edition of PETS+.