Multichoice incompetence!!!!

I have been a dstv subscriber for many years. I have a holiday view decoder. Weekends when I go away I would phone in, activate my decoder and would be automatically billed to my existing debit order for the days I use. They changed their system not too long ago. And for the worse with much more inconvenience for the client. You now have to make a separate manual payment for a month and then your days get subtracted as you use your holiday view. Fine so I paid my subscription for my holiday view. Phone Multichoice and told them about it. Now the idiots use my manual payment for my residential subscription and dont let the debit order for the residential decoder go through! I have phoned 3 times and explained to the supervisor who said it will be sorted out. Now it has happened again. Every time I have to go make immediate manual payments for odd amounts because Multichoice *****s up. I am fed up with Multichoice's incompetence!! Even a ****** can follow a simple request as, debit order for residential decoder and manual payment for holiday view decoder. This is a massive inconvenience for me and my family to deal with when on holiday or leave. Every time the same $%#@* story!!