If you want that money to grow I'd play it safe and place 50k in bitcoin and 50k in an ICO and sell after you've multiplied the 50k by 2,3 or even 10 (depending on how well the coins are doing once they're on the exchange)
Well bitcoin is a good choice to invest of your money and half of it in altcoins. Some ico is also good but it is a huge risks you have to thoroughly check on which ICO will be successful and with exchange after their ICO. So bitcoin and choosing altcoin for me are profitable.