Wrong billing from DSTv I feel ******

On my process of paying of DSTV as it is moth end iam shocked with the amount that they say I must pay of R754.60 and mine is in a price of less than R200 to show that they are used to robbing customer this is the second time. they said I joined things that I did not agree to .then I called them then they said everything is cancelled going forward will pay my normal fees of witch happend last month know they are back again with hard blow if DStv is fighting with us as customer it is time to migrate they service is bad