If you want reliable Wifi at home, get yourself Ubiquity access points and throw away TP-Link. The issue is not the protocol. After many years of unplugging and plugging back in my TP-link router I know that they are cursed.
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Haven't had any wifi problems since. To the point I don't remember what wifi standard my home is on :)
Too bad they may or may not have given up on the cloud connectivity requirement. I've been told (even on here) they have, but I've also been told that you can disable it after setup instead of setting up without any stinking cloud.
Say, did Ubiquity stuff work during the AWS outage?