The $3.00 off Zantac coupon is still available, and the 8 ct Zantac are reportedly only $3.98 at Walmart, making them $0.98 each after coupon.

Zantac, 8 ct $3.98
$3.00/1 – Zantac product, 8 ct or larger – (zantacotc.com)
or $1.00/1 Zantac Product from SS 8/22
Final Price: as low as $0.98

Thanks Deal Seeking Mom!