Here's the deal at Walgreens:
Zantac Duo Fusion 20ct - $8.99 (through 11/5)
Use $5.00 off one Zantac Duo Fusion 20ct Printable Coupon
Submit for Mail-In Rebate up to $11.00 through 12/31 (Limit 1)
Submit $4.00 off one Duo Fusion 20ct with Ibotta Rebate
Final Price = FREE after rebate + $4.00 money maker with Ibotta offer!!
Other coupons: $4.00/1 printable coupon here