Amazon offers the Finish Powerball Dishwasher Detergent Tabs 90-Pack in Fresh Scent for $10.41 with free shipping via the directions below. That's $2 below what you would pay at your local Walmart, although we saw it for a buck less two days ago. To get this deal:
  1. View the Finish Powerball Tabs 90-Pack for $13.87
  2. Clip the 20% off coupon on the product page
  3. Add it to your cart via Subscribe & Save for the final price of $10.41
Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments.