Amazon has CatSpot coconut litter marked down to as low as $16.20/bag when buying 2+ bags. This is the lowest price I've found outside of their S&S on catspotlitter.com
Regular price: $19.99
Promo: 10% off 2+ bags
Also available for Amazon Prime.
This is great stuff. We have 2 cats and they love it! We throw it in our yard when finished... makes a great soil amendment.