Hot coupon out for $0.75/1 Colgate Toothpaste. Starting 6/16 Walgreens has Colgate Total Toothpaste 4 or 4.2oz on sale for $3 with a $2.50 Register Rewards back (limit 1). Use the coupon and get it free + $0.25 overage.
Starting 6/16 Buy 1 Colgate Total Toothpaste 4 or 4.2oz $3
Get back a $2.50 Register Rewards
Final cost = Free + $0.25 overage after rewards.
