Yes this is one and only guide in this forum about posting etiquette I think being made and it is wonderful to see how much see a user with this great ideas to share for the users here in the forum. I could only say that this post is really helpful to promote quality posting here in the forum. 
Yes, this is good and useful base on experience after making a quick search in the forum for a certain topics and shows a single thread that could answer my question.

However, starting a thread that has probably already taken or created from other users should be alright in my point of view. This will be another way of getting second opinion when one doing a search seeing posts that has discussed already by the other users. This is one way of gathering information on the topic being search.