If a person understand how trading works and be able to analyze charts, he is not a newbie in that field anymore. Anyway, I think it depends on the person's skill and knowledge on where one can get the best source of bitcoin. For a person with lots of hashing power, mining is the best way for him, a skilled trader will be trading and a seasoned gambler is from gambling. A writer's source is from blogging and a marketer is thru marketing.
But no one is like that right away. Everybody is a blank slate when they were born. There's no one in the world that were born with hashing power, skills on trading, seasoned gambling abilities, blogging knowledge, and marketing experience. We are what we do. So, you have the choice at first who to be. Find something that will give you the most profit and work on that. If electricity is cheap on your country, then study how to do mining. If you have a good bankroll and you are a risk taker, then do trading. And so on..
You can be a newbie in a field in the sense that you don't have an experience. Anyone can read somewhere how trading works and learn how to analyze the charts. But without any actual experience, when you do trading in the exchange site, you can still lose since you're still a newbie.