Here’s a nice Amazon deal for you. Right now Finish Powerball Dishwasher Detergent 94 ct is priced at just $15.32 when you subscribe ($16.16 without subscription.) There’s also a 20% off coupon you can clip on the product page that will deduct $3.23 more, making the final price just $12.09. That is less than 13 cents per tab. Here is the link to the item:
Finish – All in 1-94ct – Dishwasher Detergent – Powerball – Dishwashing Tablets – Dish Tabs – Fresh Scent – only $12.09 when you subscribe and clip the 20% off coupon on the product page
$0.13 per tab/@Amazon!