No obvious answer
On the Internet, you can find some oddly specific advice. Not always the right advice but you can be your own judge of that. As an example, how do you choose the right DNS server? Response is guess. Or, how do you win the competition for an orchestral chair? Responses there is no way to win. Go in with your best attitude and see what happens. Or, how do you tell if a plug is safe? An electrical plug I mean. There are variety of tests you can do but the correct one is try and see if you die. I do not make these up I just watch them. I am intrigued that there are people seeking advice on such a variety of subjects. The average person among us is never going to compete for and orchestral chair. Most of us have no idea what is meant by that term. And we take it on blind faith that electrical plugs will not kill us. How about something more practical. What is the best technique to win a bidding war when you were trying to buy a house. Despite those videos that suggest crafting a wonderful letter to play on the heartstrings of the seller, the proper answer is offer more money. Always. But, again I will leave you to do your own tests. I have rarely been in a bidding war to buy a house nor have I tried to get the lead chair in an orchestra. As for the best DNS server? That too is a crapshoot. I mean how will you know if you made the right choice. My plan is to ask an expert if ever I need to know at the answer. And I will try not to be seen as the expert by those around me. Too much time trying to explain why my answer is not the best one.