"incredibly high"? Comcast and Time Warner have profit margins of 8-10%. For comparison, Target has a profit margin of 3%, and Google's is 21%. Sounds more mid

"incredibly high"? Comcast and Time Warner have profit margins of 8-10%. For comparison, Target has a profit margin of 3%, and Google's is 21%. Sounds more mid-range to me. As for your second point, that they could easily make upgrade without additional charges.. have any numbers backing that up? The last mile is expensive.