This week at Walgreens Gas-X Softgels Extra Strength 20 count is on sale for $4.99.
3 Gas-X Soft Gels
$2/1 from Walgreens Monthly Savings Booklet/IVC (located at front of Store)
1-$10/3 Prevacid 24 HR, Gas-X, or Benefiber SS Insert 10/13/2013 (exp 12/31/2013)
You will get these FREE at the very least (before tax) and there may be overage YMMV by store. Walgreens typically will adjust down.