One of the nicest surprise a year ago when we got our Buick Enclave was receiving a $700 Costco Cash Card. Being an executive member of Costco gave us rebates. From the time we got our new sound system in 2012 up to now, we’ve earned what we paid for the membership. So if you’re considering buying a new Chevy, Buick, GMC or Cadillac, check this out! Click here for more details.