Pathetic service Vodacom - morals and ethics does not exist

I took a 24 month contract with Vodacom on 18 February 2018 @ R93.73 including R115 airtime, 2 gig data and caller id. ***) Vodacom now refuses to upgrade or CANCEL the contract before 23 May 2020. The latest account received from Vodacom on 2 March 2020 the data has fallen away and is for R124.99 as well as purchased data expiring on 9 March 2020 having disappeared. I have been with Vodacom since 1996 and currently have 9 contracts with them. After numerous calls to Vodacom , often being put on hold for an hour and being transferred back and forth, and GETTING NOWHERE VERY SLOWLY.... A "cancellation agent" of Vodacom told me that I will only get good service from cell service providers during the first 10 years of being with them and then they don't care anymore. I must be past my sell by date then. I WILL BE CANCELLING ALL MY CONTRACTS WITH VODACOM, IT IS JUST NOT WORTH THE TROUBLE TO STAY CONNECTED.