Split it up in many small orders, and only bet what you can afford to lose!
How many times do people need to hear this? Yet they're still losing it all and blaming someone else
Taking risks is ok, but you have to know the limits.
I saw guys gambling 50 bitcoins on each bet in a casino. They are crazy man
But if its in their risk tolerance then its ok, just hopefully they dont gamble the food away from their kids mouth.