They may have had good service in the past, but my 2007 experience has been that they picked up my lawnmower for a tune-up for the following week, and now, almost 3 weeks later, my mower is still not tuned up. They did not tell me when I made the appointment that they were backed up at least a week to 10 days, and now it's been twice that amount of time. They haven't been professional about getting the job done or about giving a realistic time estimate.
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