Review for Thunder Valley Casino Resort Review For Peet's Coffee & Tea Google User Jan 5 '18 at 2:15 Not a coffee expert, had to rush to this store to buy two bags of light roasts for my family before an international trip. Megan explained how light roasts actually had stronger caffeine whereas dark roasts are actually softer w/ caffeine. She's super patient on the phone and very professional in person. Got free drink for the purchase. Absolutely love the customer service when the staff don't just sell you the drink but also take the time to educate you about coffee. View full site to comment or like