That could be a lot of money make sure to used it properly. I myself was also too jealous of you luck really comes to a person once so better make used of it. I advice to sell it little by little or if you still belives that the price can go higher then be more patient in waiting
Yes sell it little by little cause we know the price of bitcoin is continues increasing day by day. Use money wisely for your future,in investing in bitcoin you have a chance to become millionaire and successful.