I think the people who are currently online to prove the rationality of buying Bitcoins do not need. This is a developing industry to invest in it is very profitable. And this is confirmed by the banks
One of the reason why you should buy bitcoin is it will help you to gain income and much money. Buying bitcoi is a good idea because it a chance to have a lot of money and to become rich in the future. If you can afford to buy bitcoin you should buy and do not hesitate to buy it.