Doritos and Lay’s chips are buy one get one free this week at Walgreens! Redeem a SavingStar offer for $5.00 back on a $20.00 Frito-Lay purchase. Buy a total of 10 bags of chips for a final price of $1.65 each. Buy an assortment of flavors or do multiple shopping trips. The deal can be done in one or multiple transactions. Stock up for holiday entertaining!