Probably better off with a mesh / repeater setup, a single super powerful router will still be sketchy at the edges as in that case the other device’s radio and

Probably better off with a mesh / repeater setup, a single super powerful router will still be sketchy at the edges as in that case the other device’s radio and signal strength also begin to play a role. I’m angry because I just had a TP-Link (ax20) router go bad on me, so I’d just advise you to avoid that brand but do your research - maybe I just got bad luck :)