Best Buy has various gift cards for 20% off. Digital Gift Cards (Immediate Delivery) GAP Options $100 for $80 $50 for $40 $25 for $20 Instacart $200 for $160 IHOP $50 for $40 $25 for $20 Aeropostale $50 for $40 $25 for $20 Physical Cards GAP Options $50 for $40 IHOP $25 for $20