<prompt> Human: in 2009 my wife an i bought this house after we sold my parents old house, now from what i understand the old lady who used to live here had Comcast installed between 2001 and 2008 when she died. now from what i understand or what ive been told comcast never uninstalled the service and kept charging her account monthly. i had verizon installed in march 2009 and had all the comcast stuff removed. now i recieved a letter from comcast and a letter from s debt collection agency telling me that between 2009 and 2017 i owe 39,430 in comcast bills, both are legitimate. letters. comcast informed me that i have used 549 terrabytes since august of 2009. and that i have 30 days to start paying it off or ill face legal action, what do i do? i dont know where to start or what to do at all. help?  <response>: If someone told me I owe them 40 thousand dollars I would talk to a lawyer not Reddit. 