150 ETH is much more risky, but you will have a bigger profit.
I think I will play safe so 9.5BTC and then trade to go to 10 and after HOLD
I also think that investing only in ETH is very risky. Now the price is low, but it is better to invest in both coins.
but I think it is better to invest in bitcoin. Bitcoin was always and will be the first. Last six month the price of ethereum showed that this coin is cost