Hi,
After voting please explain why you voted that!
if you invest 100K€ in bitcoin and hold it in at least 5 years or more. Once the price hits 10,000$ , that investment will be too smart for you. However, Your investment has some certain risks Do not Do not put all your eggs in one basket if you haven't got much more experiences for this fact.
Yes indeed, but still, it is up to you OP. Investing your money in bitcoin is a good idea than Investing it on a gambling site or use it on gambling. Since its price right now is fluctuating higher and higher everyday, then it would be good if you are just going to buy right now than asking this questions. Bitcoins price is always increasing and decreasing but more on increasing every minute.
So, buy right now, for you to have more profit in the long run, because its price tomorrow will be difference from its price right now, because I am sure that it would not stop increasing until it reach its next target price which is $1500 per bitcoin.