403194 Five Articles-Toll Free Number

Looking for 5 500-word well-written articles on the benefits of using toll-free vanity telephone numbers 1-800 and 1-888 numbers (in the US) in marketing and advertising. Other ideas: benefits to small business; cost advantage; statistics on remember vanity numbers vs actual phone numbers; using with cell phones, etc. Will pay after receipt. Must pass copyscape and may not be resold or published in anyway afterwards. Might select more than one writer. Please PMB writing sample.