You knew the situation going in. If the single wire thing was an issue, you could have gone with CATV or DISH who have been installing single cable systems for years.
You're only a new customer once with DIRECTV and after that, you can't expect to get a whole lot of help; especially since you signed off on what you have.
You're only a new customer once with DIRECTV and after that, you can't expect to get a whole lot of help; especially since you signed off on what you have.