AS the topic says, how can one make some good amount with 30mBTC ( 0.03BTC)? Please just don't say gamble, try to provide some strategy. This topic can help others who want to make big with a small start.
You don't really have any options when it comes to gambling. Whatever strategy you use, you'll have the same chance of winning the same amount.
I suggest that you just follow your gut feelings. That's the fun way to gamble.