Amazon has 80-Count Double Donut Coffee K-Cups for Keurig Brewers (Breakfast Blend) on sale for $18.74 after ‘clipping’ 20% Off Coupon found on product page and checking out via subscribe & save. Shipping is free.
FYI – Seems like you can use the coupon more than once!
https://www.amazon.com/gp/product…=UTF8