Sorry service

In the month and a half that I have had hughesnet I have had the worse service I have ever had. Can not watch anything on Netflix my on demand connection very slow on tablet and phone. Trying to watch something on Netflix it will buffer 20 or more times ina10 minutes span  I have talk  to tech support at least seven times they keep telling me there is nothing wrong with my service on their end or mine. I keep asking them to have someone come out to my house and check it out they won't do it. I cannot make they understand that there is something wrong  I am going to cancel my service it is sad the trouble I have had in the short month and a half I have had it