Anyone in this group travel back-and-forth to Mexico with their pet on a regular basis? We had to get an international health certificate for our dog that we take down to Mexico with us and it cost $100-then we are traveling again and needed to get another health certificate as they are only good for 30 days-we have been fine with Banfield until this last visit where they had raised their price for this health certificate from $100, to $150!! This is going to start to add up if we continue, any suggestions where we can get a less expensive health certificate?