Something I use as guidance is from MN 95, the Canki Sutta.
Let me tell you, Bhāradvāja, there are five things that may turn out in two different ways in the here and now. The five are faith, approval, oral tradition, a priori reasoning, and rationalization. A doctrine held as an item of faith may turn out to be empty, hollow and false. Another doctrine, not held as an item of faith, may yet turn out to be factual, true, and without mistakes. So, too, with doctrines accepted because of someone or other’s approval, a doctrine received through oral tradition, a doctrine worked out through pure reason, and a doctrine arrived at through rationalization. Any such doctrine may turn out to be empty, hollow and false. Contrariwise, doctrines opposed to those and held for entirely different reasons may still turn out to be factual, true, and without mistake. Given all that, it’s not proper for a wise man who wishes to preserve truth to state, as a definite conclusion, ‘Only this is true; all other doctrines are false.’”
“But Master Gotama, how then is it possible to preserve truth?”
“If a person has faith, Bhāradvāja, he preserves truth when he states, ‘My faith is thus….’ But he does not yet state, as a definite conclusion, ‘Only this is true; anything else is false.’ That’s how a person of faith can preserve truth. But it not yet a way to the discovery of truth.
“Similarly, a person who holds a view because of the approval of others, because of oral tradition, because of logical reasoning or rationalization, if he states, ‘I rationalize things in this way…’, then he preserves truth, and he does not go so far as to state, ‘Only this is true; all else is false.’ So he can preserve truth. But there is not yet a way to discovery of truth.”
Personally, if I am giving advice, it implies that I know the truth of what is best. I'm not there yet and probably never will be
So if I am sharing ideas or information, I try to include that there are other views than mine that should be considered. I am not a teacher, just another traveler on the path, a new-ish traveler, at that.
The Buddha goes on to talk about the discovery of truth. For me, who needs a lot of caution when I begin to talk, this sutta helps me recognize when I am sharing and when I am preaching a view. When I get "hooked" in an argument or in defending some view, it reminds me to look at how I discovered this "truth" I am so fond of. I'm not good at it, mind you. On most days I have to watch out for preaching "Hoo-ism," what I believe instead of what is taught. On my better days I recall that the Buddha already addressed the truth and how to discover and convey it.
I'm sure others have their aids and tips but I'm still relatively new to Buddhism and try to stick to basics. Hope this helps.