Every WFH person has this problem. Pour hot coffee one sip 20 min later: cold. 3 reheats 250 days = 12.5 hrs year microwave waste. Mug warmer, 4 temp settings ( I love my Moccamaster, but $370 is a lot for drip coffee: This Ninja brewer is the best alternative (and it's under $90!) Tom's Guide Starfleet Academy Mug Master Replicas Mugs Set of 4 Coffee Mugs 12 Oz Ceramic Handmade & Hand Painted Made in Palestine Palestinian Potery Etsy If you're expecting (or planning to be), you might want to double check your daily coffee intake. Luckily, experts say around 200mg of caffeine per day is safe for pregnant women, but Amazon.com: AceElite Coffee Mug Set of 2, 15 OZ Large Coffee Mugs with Handle for Tea, Ceramic Mug with Cork Bottom and Lid, Coffee Cups for Women and Men (Black) : Home