Few days ago, I was upgrading my main router. These days internet is extremely important as everything done via internet: distance learning, remote work, ordering stuff online. And it will be sad to lose internet connectivity for long time. So, any such change should come with plan first.

Firstly, you need to think: do you really need to do it? Sure, having more modern version is good, but what if something is wrong. Can you afford it? In my case I want to have faster internet and I have second spare router as well as spare really old one in my junk box. If something will go wrong, I will just promote my secondary router to primary and put spare