I have paid for two gigabit connections and I sometimes saturate them for days at time. Doesn't cost that much. If I am not to use it like that then it should

I have paid for two gigabit connections and I sometimes saturate them for days at time. Doesn't cost that much. If I am not to use it like that then it should say clearly on the paperwork that I have data limits, and I don't have any such notifications.