As one of its daily deals, Best Buy via eBay offers the Keurig K15 Single-Serve Coffee Maker in Black Plum for $49.99 with free shipping. That's tied with our mention from two weeks ago and the lowest price we could find today by $13. 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.