You shouldn't invest all your winnings at once, you should take 50 percent, and with rest you should gamble
Why not? If you just got a jackpot, it's meant to be invested in something or just splurge and buy anything you want. That's going to be worth of your trouble. It's good to be seeing the future in order to be wise in your decisions.
He mean not to put all your eggs in one basket. Sometimes it is good to diversify even when you are investing in a gambling site that will give you profit in the long term. When one site is down, your investment should be safe if you diversify it instead of risking it all in just one place but of course it is your choice