Starting on Sunday, buy three Crest toothpastes at Walgreens and make money! Crest toothpaste will be on sale for $2.99. Buy three and earn a $3.00 Register Reward at checkout. Use three $2.00/1 Crest coupons that will be coming in this Sunday’s Procter & Gamble newspaper insert. Finally, redeem a MobiSave offer for any brand of toothpaste for a $0.13 moneymaker!