Thumb Score: +16

NEXHOME-PRO via Amazon [amazon.com] has 3″ NEXHOME PRO Dual-Layer Cooling Gel Memory Foam Mattress Topper w/ Bamboo Pillow Top (King) on sale for $99.99 – 50% off when you apply promo code M2FRVJAU at checkout = $49.99. Shipping is free.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.