The advent of the internet has simplified so many things. There used to be a time when I order to carry out a trade, you had to look for lots of statistical information in news papers and cable channels, add to that finding a reliable broker. The hold back was, that this information was not readily available, and although some companies had taken it upon themselves to gather this information for when traders needed it, it was going to cost you. With the internet however, in a single click, you gain access to a whole variety of information and statistics, which makes online stock trading an advantage. It speeds up the process, and that with much convenience and lesser costs (in the form of internet data mostly) to get information.
The best way to make cool money is to buy stocks by investing on it. Don't just hold your money to your pocket, it will only depreciate; rather let your money work for you by investing on the right stock. You don't need broker before carryout investment you can do the task, most investment company allow it. In a long run investor can sell his/her own shares in amount it benefit him/her on online stock trading.