BuyDig via eBay offers the Honeywell WiFi Smart Thermostat for $161. Apply coupon code "P20MEMDAY" and check out with PayPal to cut the price to $128.80. With free shipping, that's tied with last week's mention and the lowest price we could find by $30. This thermostat can be controlled via iPhone, iPad, Android device, Alexa voice control, computer, or via its built-in touchscreen. Deal ends May 29.

Note: This coupon can only be used once per PayPal account within a single transaction.