Poor New Contract/Upgrade experience

In summary, I've taken out two new contracts with Vodacom SP in the last 25 months. Both times the wrong SIM card was supp**** to me on delivery of my new phone. Rectifying this by phoning after sales support proved a nightmare (took hours/days with multiple phone calls) both times as I was transferred from pillar to post to try find the division responsible for rectifying the problem. When taking up my new contract/upgrade, my phone, with wrong SIM card, was delivered on the next weekday, when just needing the rectified SIM to be delivered it took a week, the last time, two weekdays? I then called to activate the SIM card and requested a \Twin SIM\" to be activated on my account, I was told that the call centre, who have the power of Vodacom SP's system at their fingertips, wasn't able to process a \"Twin SIM\" application but could only action a SIM swop? I'd need to visit a Vodacom store, at my inconvenience, to activate a \"Twin SIM\". Seems to me Vodacom SP is disorganized, resulting in a shocking customer experience, not what you'd expect of a global company?"