Starting Sunday 9/18, there will be a Mail in Rebate form available on cvs.com for up to$18.00 when you purchase Prevacid 24 Hour, 28 ct product which makes it a moneymaker! 🙂  The rebate form is not available until Sunday as per CVS customer service.
Here is how to get this awesome deal:

Prevacid 24 Hour, 28 ct. $19.99
Use $4.00/1 Prevacid 24 Hr product from SS 9/18 (exp 11/18)
or $3.00/1 Prevacid 24 Hr product from SS 9/11 (exp 11/30)
Pay $15.99, Submit for $15.99 Mail in Rebate Available on cvs.com on 9/18

Final Price: FREE