The average price of a single-family home in Calgary has dropped for the third consecutive month and in October was more than $53,000 less than it was in July when it hit a record $505,920. 2 T+ g/ l+ Z1 f! n$ I1 I4 B) w $ O# _6 m& z( P. u+ W3 d, _2 `; E+ Uhttp://www.canada.com/calgaryher ... ee7aa2f&k=35625