Totally Frustrated

Very dissapointed in Vodacom. My phone was ****** last week Thursday. After a battle to find the correct number I managed to get the sim blocked. This is when my battle started. I went to Vodacom Cradlestone Mall on Friday the 21st of June at approximatley 09h00 and bought a new sim card. I was assured that the sim would be activated in between 6 - 24 hours. By 09h00 Saturday the phone had still not been activated. I then contacted Vodacom telephonically and asked when my problem would be resolved. Another 6-24 hours was the response. Needless to say by Sunday the issue was still not resolved and after yet another phone call was told that once again that it would be activated in 6 - 24 hours. Well it is Monday and I have called them first thing this morning. It is now after 13h00 and my sim is still not activated. How or what can I possibly do to get this issue resolved?