How long will you waver between two opinions. Sometimes opinions might even be more than two.
I am not saying you should not ask for people's opinion, but that there are some things you should decide on your own, based on your observation or research.
Take for instance, you want to buy a coin and you are asking people for their opinion on it. I will not deceive you, you will only be tod what will benefit them.
Everyone is looking for how the coin he is holding will pump, so he will do what will bring him profit.
Do your research on the coin of your choice
Search for updates
Go through their social media groups, handles or channels and see what is happening. That can give you a clue to what you should do.
Avoid being deceived by multiple opinions and do make the decision that suits you.
It is just fine to ask others opinion but make sure that the person you will ask for advice or opinion has the credibility and that you knew him/her enough. You are right that most people would advice you with their underlying motives but as a trader or investor we often have that someone whom we know we can follow because he has the capacity and credibility base on the result of his action. And also we can rely with our instinct and gut feel at times so you just have to trust yourself as well.