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system
how do i get bill collectors who call about people i know to stop calling me?
user
if they really won't stop calling you, just waste their time. usually the best thing i do to telemarketers (the ones that constantly call even through i've told them to stop) is to say "oh yes, i'm interested i'll just get a pen" - put them on hold and keep them on hold.  do it every time they call and soon they'll get the idea that you're a waste of time.
assistant