By leaving my donations in the white bin located at nearby Kaimuki Middle School, my niece's school collects the proceeds and it only takes a few minutes a week to gather the items, and I drop them off when I pick her up. One full bin is said to average a $250 donation. Check out Opala.org, Community
Recycling Bins link to find bin locations. P.S. Sponsored by the Dept. of Environmental Services, the Opala.org website has refuse collection and recycling information,and is quite interesting.