If you have extra money it is good to invest in bitcoin because it is most popular and most profitable currency. Through this it is very fruitful for you if you want to invest now because prices are going high. For this you will take a risk but a business saying high risk high return so its the time to take a smart decision for investment.
I agree with you. We should to think carefully before put money on it. I think you should invest 20%-30% your fund only