I had a Wells Fargo security system installed in my home in 1985. Tyco purchased Wells Fargo in 1998 and merged the company with ADT. This is to show I have had monitoring service for about 25 years of which 12 years have been with ADT. My husband has been on disability for the past year and a half and although I have been slightly late with my payments, I have always called ADT's billing department to tell them when my payments would be expected. On 12/18/09, I was invoiced $105 which was my quarterly payment. This is the ONLY... read full review »