After signing to have a limit set on my phone bill mtn's system let the bill double and when contacted they said they said they would have it sorted out. When i get called it sometimes goes through to some other lady, how do i know i'm not getting charged for her calls? They have now gone and over billed me once again even though my account shows that i have limit. Whats the use of offering a limit if the system doesn't work? read full review »