Amazon offers the Finish Powerball Tabs Dishwasher Detergent 90-Count Box for $10.41 with free shipping via the steps below. That's a buck under our mention from a month ago and the lowest total price we could find by $7. To get this deal:
  1. View the Finish Powerball Tabs Dishwasher Detergent 90-Count Box for $13.87
  2. clip the 20% off coupon on the product page to drop it to $11.10
  3. order via Subscribe & Save to yield a final price of $10.41
Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments.