Get Crest toothpaste for $0.67 this week at Walgreens! Tubes of Crest Be and Crest Complete toothpaste are on sale for $3.00. Buy three and earn a $4.00 Register Reward. Use three $1.00 newspaper coupons to get each toothpaste for $0.67! Crest Be toothpaste comes in fun flavors like Vanilla Mint Spark and Lime Spearmint Zest.