internet interruption

Comcast has interrupted our internet service twice now. We went to speak with a representative locally and they could offer no explanation as to what was wrong. They simply set up an appointment for the evening after 5 p.m.

Our point of sale machine operates on the internet, so this would effectively put us out of business for the entire day. I called the 800 number, listened to numerous robots tell me about easy it was to pay my bill, waited 5 minutes and finally got to speak to someone. 

The rep I spoke to said an appointment had already been scheduled. I complained and he offered to send a refresh signal to the modem. He put me on hold and a minute later, the internet service came back up and my call to the rep got dropped.

I'm becoming very dissatisfied with comcast. They are unprofessional. Worse yet, if I cancel my contract with them, they said they'd charged me 75% of my total contract as an upfront penalty.

Very, very unprofessional and arrogant.