You have to provide solutions to problems people have, and be selected by them as the official "solution" to their question or issue. When you have been chosen as the solution to enough problems in a specific category, then you earn the title of "expert" (among other titles or ratings).
You have to provide solutions to problems people have, and be selected by them as the official "solution" to their question or issue. When you have been chosen as the solution to enough problems in a specific category, then you earn the title of "expert" (among other titles or ratings).