TP-Link Smart Dimmer Switch (HS220) 2-pack – $59.99 @ Costco.com (normally $80) + FS

Costco is having a sale on the 2-pack of TP Link Smart Dimmers (HS220)
https://www.costco.com/TP-Link-Sm…57274.html
valid 1/16/19 through 1/20/19. While supplies last. Limit 5 per member
$79.99 (retail) – $20 (manufacturers savings) = $59.99 (sale price) + Free Shipping
NOTE: Make sure the discount applies in your cart. First time I tried to check out, discount wasn’t applied. I am unaware if this is for members only. I also am unaware if this is available in stores.