HT usually provides a lot of convenience for people that aren't doing serious volume. I take it you may be in an area where there may not be many alternatives to HT and they are one of the only games in town. I've never been given a second look there and they are even in good spirits while servicing. I can't imagine someone who is doing volume would use HT as the costs are over double. When I have one or two to knock out and I'm already going to HT I certainly take advantage.