Unsatisfactory service

For the past 4 months i have observed that my internet & wi-fi connection was slow from around the 24th of every month such that i called Telkom for help. I was told that as I am a heavy user, I am being slowed down automatically when I reach some \stage"that they could'nt mention.<br> I am surprised with the slowing down whereas the money that I pay is the same not slowed down and I was told that Uncapped is unlimited usage.<br> The reason why i took what they call Uncapped is because I knew that i need connection every time & at my own time. There is no one who is able to tell me the limit am I allowed to avoid the so called slowing down. The consultants are always telling me that \""too much\"""