First you should log in at "mhzchoice.com" or dial 1-833-377-0219; then select "Account" then "settings; select "billing"; the select "remove card" or "add card"; Enter the new credit card information then click "add card" or "update card." That should do it.
First you should log in at "mhzchoice.com" or dial 1-833-377-0219; then select "Account" then "settings; select "billing"; the select "remove card" or "add card"; Enter the new credit card information then click "add card" or "update card." That should do it.