Amazon has 8-Pack 0.11oz Starbucks VIA Medium Roast Instant Coffee Packets (Pike Place Roast) on sale for $4.17 when you checkout via Subscribe & Save. Shipping is free with Prime or on $25+ orders.
Note, coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.
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Amazon also has 8-Pack 0.11oz Starbucks VIA Dark Roast Instant Coffee Packets (French Roast) on sale for $4.29 when you clip the $0.69 coupon found on the product page and checkout via Subscribe & Save. Shipping is free with Prime or on $25+ orders.