72 Cups of McDonald's Coffee at Home, $40

McCafe 72-Count K-Cup Coffee Packs, normally priced at $59.97-$62.97, drop to $39.99 per pack when you add the coupon code ROASTBLISS during checkout at Keurig. Plus they ship for free. You can choose from 10 blends at this price, including classic roasts and flavored varieties. That works out to about $0.55 per cup to brew your favorite McDonald's coffee at home. Other retailers are currently charging $5 to $10 more for the same packs.