Pls, I'm jst interested in oil and gas biz and the only thing I know abt it is that, it's a good calling....pls, my question is, can I be into oil and gas biz without owning tanker or filling station? And if that is YES!....How? How much can som1 start with? This a novice that wanna be into such biz.....I need rough and unambiguous info here...just what to begin with or what to consider b4 marketing ebooks pls....don't market ebook, it would definitely be requested for if its needed.