Purell Hand Sanitizer is on sale for $2.49 at Target. Stack a printable Target coupon with a manufacturer coupon and pay $0.99. After shopping, submit for a $0.75 Ibotta offer, making the bottle $0.24.

Purell jelly wrapped sanitizers are on sale for $1.44. They are also on promotion: buy three and get one free. Buy four and scan a 10% off Cartwheel offer. Then use two $0.75/2 coupons and pay $0.60 each!
The Target coupon policy does not exclude the use of a coupon on an item made free by a promotion. However, each store can and may refuse the fourth coupon. The deal below will only work if your store accepts a coupon for a free item.