You can get a great deal on Scrubbing Bubbles Vanish Drop-Ins at Walmart right now:
Scrubbing Bubbles Vanish Drop Ins (2 count), $1.98
$2/2 Scrubbing Bubbles Toilet Cleaning Product from 9/23/12 SS
$0.55/1 Scrubbing Bubbles Vanish Drop-Ins printable
As low as $0.98 each after coupon!