So I have a bunch of tplink smart plugs hs100 as well as a few smart switches. They have all worked great until about 5 months ago. Now when I try to have Alexa turn on or off a device and this is random sometimes it works and sometimes it doesn't I get a resonse the device isn't responding at this time. But... In Kass app they are ver responsive and work. This is happening NG consistenty with 2 plugs and 2 of the switches and getting extremely annoying that is ma starting to think about replacing them out. Nothings changed and have a superior router and system. Maybe I am running too many tplink devices? 

I've gone into Alexa app rwmived devices all k in nds of things to no avail

Thoughts?