At Target through 10/23 (when Checkout51 offer expires; sooner if it hits the limited number of redemptions):
BUY TWO DULCOLAX 25 CT, $4.99
Get $2 cashback from Checkout51 for buying Dulcolax (limit 5; you will earn $4 total)
Use the 10% off Dulcolax Target Circle (deducts $1)
and use one $5/2 Dulcolax 25 ct or larger printable coupon
Price at Register: $3.98, but get $4 from Checkout51
NET PRICE FOR ALL: FREE + $0.02 PROFIT!