Sip on savings at Peet’s Coffee & Tea. The Berkley, California-based coffee chain is giving customers a sweet deal — buy any beverage and get a second one for FREE (of equal or lesser value), through Tuesday, February 14. The offer requires this coupon, which you can print or show on your mobile device. Die-hard fans, or “Peetniks” (as they’re better known), claim it’s the best coffee shop anywhere. However, unlike its ubiquitous “green-strawed” competitor, Peet’s Coffee & Tea only has 3 cafés in Colorado – Boulder, Centennial and Denver.