Will these work? They're about 15 bucks cheaper and supported by Wink.

https://www.amazon.com/GE-Wireless-Lighting-Receptacle-12721/dp/B0013V1SRY/ref=sr_1_1?s=lamps-light&ie=UTF8&qid=1501015861&sr=1-1&keywords=ge+zwave

Edit: Probably not as I think they're only 15A

I use this -- my first use case was exactly what you are looking for; turning on the christmas tree via Echo.

Note that you only get one controllable outlet; the other one works as a standard outlet with always on power.