For Prime members only, Amazon offers the Celestial Seasonings Herbal Tea 20-Count Box 6-Pack (120 tea bags total) in Wild Berry Zinger for $8.39 with free shipping via the steps below. That's $0.07/bag and about $7 less than you could expect to pay for this quantity in local stores. To get this deal:

1. View the the Celestial Seasonings Herbal Tea 20-Count Box 6-Pack for $10.48
2. clip the 15% off coupon on the product page
3. order via Subscribe & Save for a final price of $8.39

Note: Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.