A:AnswerNo, that could never occur as those are cable subscriptions only. Your only alternative to receiving them is going with an internet TV device (like Roku or AppleTV) that has access to the apps in which you can purchase HBONow or ShowtimeAnytime for a separate fee and not need cable.
A:AnswerThis is unlikely to work in a basement. the antenna needs a clear unobstructed (you house walls don't matter but aluminum siding will reduce the effectivity) in the direction of the over-the-air TV broadcast locations. The higher up you are the more likely your antenna will "see" past obstacles like other buildings etc.
A:AnswerOur 4 Leaf Antennas are crystal clear, just like HD TV. Interference occasionally bc it is an antenna but not a big issue for the money saved vs Cox Cable or Satellite TV.