After three years of a contract with ADT Security Systems, we decided to go with another company (our new son-in-law works for this new company). We cancelled our service with ADT in January, after our payment for the month had been debited from our account. ADT kept sending bills, after our termination, and insisted they were not paid for January (the money was debited from our checking account). I answered their bills, letting them know they had been paid for January, and for them to please revisit their account for the payment... read full review »