Trading is a good way for increase your Bitcoin. But for trading you need a good skill on it.
First you need to know how to pump and dump Altcoins (You can this tutorial : http://coinduet.com/index.php?p=/discussion/62/how-to-pump-and-dump-an-altcoin#latest )
Then you need to know which Altcoins is going up and then start your trading.
Here is a full trading guide you can see it : http://coinduet.com/index.php?p=/discussion/48/how-to-earn-1-bitcoin-per-week-yobit-trading-guide#latest

There are many way to increase your Bitcoin. But I think trading is one of the best.But there is a big problem on trading .For good trading you need a good skill on it.
 I think at first need to know "How can pump & dump altcoins" ( You can see this tutorial :http://coinduet.com/index.php?p=/discussion/62/how-to-pump-and-dump-an-altcoin#latest )
Fix up which Altcoins going up (See this tutorial: http://coinduet.com/index.php?p=/discussion/48/how-to-earn-1-bitcoin-per-week-yobit-trading-guide#latest )
And then start your trading !

I don't know how much true your opinion! But I see some people they are not lose there Bitcoin on trading.I read a tutorial that be confident me. This is the the link: http://coinduet.com/index.php?p=/discussion/29/how-profitable-it-is-automated-bitcoin-trading#latest

You can try with 10K satoshi on YoBit. First you need test your skill on trading.Or here a tutorial you can see this tutorial : http://coinduet.com/index.php?p=/discussion/48/how-to-earn-1-bitcoin-per-week-yobit-trading-guide#latest