I had terrible issues with Comcast, and after the fourth or so call I made sure that the agent wrote down all the necessary details, and I would tell agents in

I had terrible issues with Comcast, and after the fourth or so call I made sure that the agent wrote down all the necessary details, and I would tell agents in later calls to read the details. Not that my problem was ever resolved, but at least I didn't have to explain it every time.