Unprofessional & unacceptable service

They sold a car to me and changed my residency from Northwest to Gauteng and now I have to go to a licensing department to change my residency back to Northwest because i need to renew another vehicle that i have registered in northwest which has expired in january so ill have to pay the fine after i changed my residency,i spoke to them and they told me they cant help me after the car has been sold they are unprofessional and the service i received is unacceptable please refrain from buying a car from them if you dont want to have any problems.