Mtn network coverage

Awesome network since I first had it in 2003, still awesome coverage wherever I go incl holiday, work, school, church, etc, this network doesn't cause me any problems, I spend alota time in mitchells plain, Epping, plattekloof and on N1 and R300 routes, but never had this network fail me, but 1 thing I need to suggest, plsssssssss make data, and airtime cheaper