The Installation charge is currently being waived. It took two technicians a little over an hour to do the installation. In my case the ethernet card installed into Win98 easily, not always the case, and the in-house wiring I had installed a few years ago did not need to be replaced so it was a very simple, easy install. The splitter is a used to seperate the voice and conventional modem messages on the line from the high frequency data.
Cost varies widely.
They are flooded with business. The connection is on all the time. There is no dialing or trying to get connected. I am too far away for that kind of data rate. Most Web pages load in 1-3 seconds.