With Christmas just five days away and the window closing for guaranteed home delivery for online orders, PetSmart today announced the launch of Fetch It Days, four days Dec. 21-24 when shoppers can buy online, get 10 percent off purchases of $50 or more and fetch their packages of purchased items through PetSmart’s free and convenient in-store pickup service offered at all 1,450-plus PetSmart stores across the U.S. According to a recent survey commissioned by PetSmart and conducted by Wakefield Research,…