Another one of the New York Times Co’s newspaper properties is preparing to officially roll out a pay model for its website.¬† The Boston Globe launched¬† bostonglobe.com and starting Oct. 1 it will charge $3.99 per week for a digital-only subscription (print subscribers can read the site for free).¬† Coldwell Banker Residential Brokerage New England is sponsoring a free trial subscription through Sept. 30. Unlike its sister site NYTimes.com, a subscription for bostonglobe.com is required to access all content.