Costs will get closer look as Metro wrestles budget [CORRECTION APPENDED] By ANNE PAINE Staff Writer Metro Nashville's almost 3-year-old, $6 million curbside recycling program isn't exactly booming - in fact, collections have fallen slightly over the past seven months compared to the same period the year before. Curby, by the numbers $6 million The start-up costs, including trucks and carts, for Metro's curbside recycling program $1 million How much it costs to operate Curby each year. $65,000 Annual city revenue from selling the recyclables to a contractor.