Poor Customer Service

I was transferred to AT&T on 7/17/14 to switch from Earthlink DSL to Uverse. This was part of a bundle with DirecTV. Everything was set up and I informed them I was switching from Earthlink DSL. The AT&T rep's main concern was getting me to dump DirecTV which I did not do. They could not install until the following week and I would be out of town so we scheduled installation for July 28th. I was told not to cancel my existing Earthlink service. On the 25th a rep called me and told me to cancel my Earthlink due to an issue with the service. I could barely understand him and he got upset when I asked if he could speak more slowly. I told him I was told not to cancel my existing service. He told me whoever said that did not know what they were talking about. I asked to be transferred to someone I could understand and he transferred me to an agent in Kentucky. That agent took care of everything (I thought) and told me to cancel my Earthlink effective August 1 and then email her to let her know it was completed. She also said she would waive my installation and modem fees and send me $250 in gift cards. I did and she responded that it was still showing blocked and she would call me at 12:15 on July 28th. She never called on the 28th and has not responded to any of my emails. On the 29th I spoke to an agent in Rochester who told me he could see all the fees had been waived and the gift cards and he could take care of everything. I was on hold with him for over 40 minutes before he came back and said he was trying to get another dpeartment and didn't want me to wait so he would call me back. He never did. On the 30th I called to speak to a supervisor who basically said it was all my fault because I didn't tell any of these people I talked to that I had Earthlink. She agreed to send me an email stating I would be without internet for several days (I work from home and can't work without internet) and that the supervisor of the agent in Rochester would call me by the end of the day. Neither thing happened. I spoke to an agent yesterday who informed me that I had no order in the system !?! and the installation fee cannot be waived. The modem fee cannot be waived either because I have to rent the modem for $7/month for as long as I have the service.  When I asked why no one told me that not all agents are honest. She then spent a good deal of time trying to get me to dump DirecTV. After the experience I've had, when my year is up I'll be looking for another service provider. I cannot stand deceptive practices and that's all I've seen from AT&T. When I find another service provider I'll also be switching my home and cell phones.