The TP-Link Smart Plug Mini is currently on sale for $20.99 when you apply the promo code TPLINK at checkout. This price is just $1 more than the lowest price this plug has ever been, which occurred for just a few hours on Cyber Monday. The regular price of the plug is $27.99 and the promo code knocks off 25%, which makes this a great deal for one of the most popular Alexa compatible plugs. The “mini” nature of this plug allows you to plug it into a standard outlet without blocking the adjacent outlet, or you can stack two of these plugs in the same outlet. The 25% discount will be applied to as many plugs as you want to purchase. There are many cheaper no-name Alexa compatible plugs available of questionable quality, but it seems like TP-Link has hit a sweet spot with both affordability and quality, which is why their products dominate Amazon’s list of best-selling plugs.

Update
It appears as though this deal is targeted towards specific people because the promo code is not working for everyone. For me there is a banner at the top with the promo details and the $7 discount is applied at checkout. You may need to have an Echo device registered to your Amazon account for the promo code to work.
Also, if you participate in Ohm Connect they tend to give you one or two free ones every-so-often. The first time they offered me a BOGO on these and last week a free one.
Promo code not working!
Yeah, I’m with Dennis. Inputting the promo code gets me the following error message: “The promotional code you entered cannot be applied to your purchase.” Bummer. :(
Sorry. It seems like this deal is targeted to certain accounts. I’ve updated the post and included a screenshot of what I see. The promo code is still working for me.
Very odd (and a bit annoying) that it would only pertain to certain customers and not others.
> You may need to have an Echo device registered to your Amazon account for the promo code to work.<
I've got three Echo devices registered to my Amazon account, so there must be some other reason some of us are left out in the cold. :/
I have this plug, and every single time my internet goes out, or I reset it due to VoiP issues, I have to unplug and plug it back in, or Alexa says it is not responding. Ugh, and it is behind an item of furniture. Anyone know of a fix? It is not a smartplug for me, dumber than my old plugs
Did you do a firmware update? If my wireless goes out or I shut the breaker all of mine reconnect on their own.
Promo code does not work as Dennis had mentioned.