10 ways to seriously annoy your customers

Alienating customers is obviously not the way to build a healthy tech career--but understanding what might set them off will help you develop better relationships. IT pro Jeff Dray takes a light-hearted look at behaviors that will put you on the fast track to the unemployment line--things like missing appointments, leaving your phone switched off, telling off-color jokes, and being condescending.

For a look at the flip side, see "10+ things you should know about providing great customer service."

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