Greensboro, NC -- Few things are more frustrating than getting bad service or a lousy product for your money, but the key when complaining to the company is to stay calm.
Ask to speak with a manager first - make sure to write down the times, dates and names of people you talk with.
Don't exaggerate your problem - you're more likely to get results by being 100% up front and honest.
Make sure to state exactly what you want done and how long you are willing to wait for a response.
If that doesn't work, then file a written complaint - you'll need that if you have to contact call for action later. Be sure also to send your letter by certified mail or request delivery confirmation.
Now here's the biggest tip of all - just do it. No matter what your problem was, remember you paid for a service and shouldn't have any reservations about expecting a fair trade in the deal.