getting disabled parking tickets

I am in a wheelchair and I have tickets to go and see the one direction show at the FNB stadium. I'm told to buy disabled parking tickets for R50 but at the FNB stadium from 9:00-15:00 on Thursday I want to know how in any way can they expect me to go get the tickets if its on a working day and in working hours and I live in PTA. They told me this was the only way to get the tickets so I am now forced to buy VIP parking tickets for R500 just to get parking close to the stadium! This crazy arrangement does not make sense in any way.