dishonesty

my instalment is 494.00 every month on 13 September 2019 I hired a movie on box office for R35.00 as advertised and at the and end of the my i had to pay R564.00 R70.00 more I phoned them but to no avail because the the people at their call center is Incompetence and don't have a clue what is going on Again on 4th November the same thing happen phoned them again and this time i was told their are charges that was brought forward i want to know since when can you ow dstv with out your service been cut is this the way they swindle their customers for extra money just to put chargers with out no reason or explanation