Incorrect Information Sold

I received communication from discovery stating that BANKMED was moving to Dicovery - Vitality offering was available.I went to gym to sign-up and not knowing the diff. between vitality and balance a contract was signed-up on balance which gave me the no initiation fee and a 30% monthly discount. The gym then advised me to contact Discovery and check why the discount was not reflecting. When I called the call centre they were very helpful and explained that i needed to activate vitality and sign the documents for the R199 and then go back to the gym and resign. When I went to the gym they insisted on a letter from Discovery saying that i am entitled to the discount. I then called the call centre again and they sent me proof of vitality membership and a letter stating that \no initiation fees"and the 75% discount. The gym took a week and then contacted me agin to say that I must come in and sign"