You should know that musing is not here to provide income for users. It rewards users for asking questions and providing answers.
The quality of the question and how comprehensive the answers are determine if you will get rewarded. You should first develop passion for it before thinking of the money aspect.
Always ask quality questions that will bring up discussion in the comment section.
Make sure your answers covers all aspects of the questions asked.
This are ways that you can get the upvotes.