In early March, I looked up CD rates on Bankrate.com and decided to open an account with GMAC at the APY of 2.95%. A week later, I still did not see the money transferred between my accounts so I called customer service. After we found out that a mistake had happened with the account number, the information was corrected and the service agent told me that I would still get the same rate that I originally signed up for. In April, I received a letter from GMAC listing an APY of 2.85%. When I called customer serivce again, I was told... read full review »