Just4u (Safeway) members can earn 6x points on a $50 or more Amazon Gift Card purchase. Must add digital coupons in the app or safeway.com before purchasing. Expires 11-9-19. Tested and confirmed "Coupon is valid for unlimited uses", but only 1 gift card will earn bonus points per a transaction.
A $50 gift card purchase will earn 300 points with the promo, which converts to 3 rewards. Rewards can be used for free items, discounts on groceries, or discounts on gas at Chevron or Texaco (max discount of $0.20 a gallon) or if your local store sells gas, max discount of $1 a gallon. 3 rewards coverts to a discount of $0.30 a gallon.