As one of its daily deals, Best Buy offers the Keurig K15 Single-Serve Coffee Maker in Chili Red for $39.99 with free shipping. That's $10 under our March mention and the lowest outright price we've ever seen. (It's the best deal now by $22.) It brews in under two minutes and features 6-, 8-, and 10-oz. settings, a removable drip tray, and auto shut-off. Deal ends today.