Target has the 35-lb pails of Tidy Cats litter for $12.79 right now. Save an additional 20% when you opt for free store pickup on pet care items right now, and get a $10 gift card when you buy three Purina dog and cat care items! Add three to your cart and pay only $30.69, but get a $10 gift card. That drops the final cost to only $20.69 for all three pails, or just $6.90 per pail!