Before you go ahead you need to be sure it doesn't have any negative cost effects on the Tax side. I was looking at it at a point where what ever name you decide to use it will be consistent when you decide to go fulltime. The total cost is about R175-00 if you do it yourself, R50-00 to have a name reserved for a prescribed time frame 6 months i think and R125-00 to register Pty or. The online service is not operating well enough during working hours