Good question here, but I wouldn't seriously consider gambling as a potential source of any profit, otherwise you will lose everything. I really managed to win not bad money at MrBet , but I play just for fun.
Well, safe and proper way will take five to ten years. If you want it to happen any faster, you'll have to risk. And it can be anything from forex to internet casino gambling , it is totally up to you at this point.
If you can handle a little risk, many online investment schemes allow you to invest and double your money in minutes. Some people think it's all a façade. Many websites like www.dblcash.com and www.e-gold.com are a perfect example. They claim to double your money in less ten 60 minutes. It might be a scam but it does work. At least in most cases it does. After reading a few reviews and responses online, I learnt that people are actually getting a 200% increase.
If you are feeling lucky tonight, head to a casino and try your luck. I would not suggest that unless you have tried it before. Sometime the dumb luck works for slot machines and fortune wheels but you should be careful before picking those cards. All the best!