On my opinion one of the adventages is the high profit from volatility, disadvantage may be a rist to loose more then from other coins.
there are so many advantage of bitcoin investment, i think that the big advantage of bitcoin investment is that we can make a good profit from it, because bitcoin price is still trading in low price and we are hopeful that very soon its price will increase too much, there are so many other advantage of bitcoin investment and using bitcoin as currency.