This week, CVS has any TUMS on BOGO50% sale buy 2 get $3 Extra Bucks (limit 1).  According to CVS online, the TUMS Smoothies Antacid 12 ct is regularly priced at $2.49.

Scenario:

Buy 1 TUMS Smoothies Antacid 12 ct $2.49
Buy 1 TUMS Smoothies Antacid 12 ct $1.24 (BOGO50%)

Total = $3.73

Get Back $3 Extra Bucks

Final Price: $0.73 or $0.36 each!!!